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Ampelopsis brevipedunculata


Photo by Leslie J. Mehrhoff, University of Connecticut,

Waggy, Melissa A. 2009. Ampelopsis brevipedunculata. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: /database/feis/plants/vine/ampbre/all.html [].



Amur peppervine
porcelain berry

The scientific name of Amur peppervine is Ampelopsis brevipedunculata (Maxim.) Trautv (Vitaceae) [31,39,68].




SPECIES: Ampelopsis brevipedunculata

Amur peppervine is a nonnative species in North America, and at the time of this writing (2009) it occurs throughout most of the eastern United States and the Great Lakes region from New Hampshire [31,65], south to Alabama [1], west to Iowa [31,65] and north to Ontario [22,31,65]. Amur peppervine is most common along the northeastern Atlantic coast (reviews by [2,13,69]) and may be less common to the west, particularly in Wisconsin where it had been recorded in only 1 natural area by 2005 (reviews by [13]). Plants Database provides a map of Amur peppervine's distribution in the United States.

Amur peppervine is native to Asia [7,37,49], particularly the northeastern portion ([22], reviews by [13,56]). Amur peppervine was introduced to the northeastern United States in 1870 as a bedding and landscape plant (reviews by [2,11,16,56]) and escaped cultivation [22].

Information pertaining to common plant associates of Amur peppervine comes primarily from the northeastern United States. Amur peppervine is most commonly found in deciduous forests [6,17,18,24,43,48,58,76] and may occur in coniferous or mixed forests (review by [14]). Amur peppervine also occurs in shrublands, thickets [48,58], and wetland plant communities [34,53]. It is often associated with plant communities that contain a high percentage of nonnative species [6,53,58,76]. In the eastern United States, Amur peppervine is a dominant species in a few plant communities [43,58] and has become so abundant in Rock Creek National Park in Washington, DC that an Allegheny blackberry/Amur peppervine (Rubus allegheniensis/Ampelopsis brevipedunculata) shrubland vegetation type has been described [58].

Available literature [6,17,18,24,43,48,58,76] indicates that in deciduous forests, Amur peppervine is most commonly associated with northern red oak (Quercus rubra), yellow-poplar (Liriodendron tulipifera), red maple (Acer rubrum), American beech (Fagus grandifolia), white oak (Q. alba), and to a lesser degree, ash (Fraxinus spp.), sugar maple (A. saccharum), bitternut hickory (Carya cordiformis), and various other oaks (Quercus spp.). In Rock Creek National Park, Amur peppervine is a dominant shrub in a yellow-poplar forest type that is primarily a yellow-poplar canopy with a boxelder (A. negundo) subcanopy. This community tends to be weedy and contains other nonative species, such as fig buttercup (Ranunculus ficaria) and multiflora rose (Rosa multiflora) [58]. In Appomattox Court House National Historical Park in Virginia, Amur peppervine makes up part of the dense shrub layer in a Northern Piedmont/Lower New England Basic Seepage Swamp open forest. Canopy trees in this association include green ash (Fraxinus pennsylvanica) and some red maple [43].

Amur peppervine's occurrence on open sites is typically associated with disturbance and/or degraded native plant communities. In Rock Creek National Park, the Allegheny blackberry/Amur peppervine shrubland vegetation type occurs on forest edges or in forest gaps. In this community, Amur peppervine forms dense thickets with other native and nonnative vines including multiflora rose, Oriental bittersweet (Celastrus orbiculatus), English ivy (Hedera helix), Japanese honeysuckle (Lonicera japonica), greenbrier (Smilax spp.), poison-ivy (Toxicodendron radicans), and grapes (Vitis spp.). On some sites, combined vine cover is so dense that tree seedlings and herbaceous species are rare. Canopy gaps on mesic sites, rather than dry sites, may contain fewer nonnative species and support more tree seedlings and shrubs—especially beech, oak, yellow-poplar, mountain-laurel (Kalmia latifolia), and northern spicebush (Lindera benzoin) [58]. In New York, Amur peppervine occurred in a marshy inlet of the Atlantic Ocean that had been substantially altered by dredging and filling and contained nearly 50% nonnative species [53]. On this site, Amur peppervine was common in shrublands and thickets characterized by northern bayberry (Myrica pensylvanica), black cherry (Prunus serotina), flameleaf sumac (Rhus copallinum), multiflora rose, and numerous other shrubs [54]. In New Jersey, Amur peppervine established in a constructed wetland along with other opportunistic nonnatives. On this site, Amur peppervine occurred with other woody species including river birch (Betula nigra), sycamore (Platanus occidentalis), blackberry (Rubus spp.), willow (Salix spp.), and various grapes [34], but it was unclear whether these trees and shrubs had established naturally or if they had been planted. Amur peppervine was common in an abandoned agriculture field in Pennsylvania where it occurred with milkweeds (Asclepias spp.), Indianhemp (Apocynum cannabinum), blackberry, little bluestem (Schizachyrium scoparium), goldenrods (Solidago spp.), and poison-ivy [48]. A review by Dibble and others [14] indicated that Amur peppervine seems problematic in northeastern grasslands but did not describe plant associates for this community.


SPECIES: Ampelopsis brevipedunculata
Photo by Nancy Loewenstein, Auburn University,

Botanical description: This description covers characteristics that may be relevant to fire ecology and is not meant for identification. Keys for identification are available (e.g., [7,22,37,45,49]).

Aboveground: Amur peppervine is a deciduous liana that typically grows to lengths of 10 to 25 feet (3-7.6 m) but occasionally longer (reviews by [16,20,56,70]). Tendrils develop opposite the stem leaves and enable Amur peppervine to climb suitable structures ([44,50], reviews by [13,16,56,70]). Gerrath [21] described the leaf-opposed structures on Amur peppervine as elongated inflorescences, rather than tendrils, that have dual functions of support and reproduction. Amur peppervine's leaves are about 4 inches wide and 5 inches long (9 × 12 cm) [45], sometimes smaller (reviews by [16,70]), and are typically dark green but may also be variegated (reviews by [2,13,16]). Flowers are small and inconspicuous, 1 to 2 mm in diameter (review by [70]), and borne on a cyme ([21,45], reviews by [16,70]). Amur peppervine fruits are about 0.2 inch (review by [70]) to 0.33 inch (reviews by [13,16,56]) (5-8 mm) in diameter and come in several colors including bright blue, yellow, and purple (reviews by [11,13,16,56]).

Belowground: As of 2009, information pertaining to Amur peppervine's belowground structures was found only in species fact sheets and reviews and was highly generalized. Reviews describe Amur peppervine's root system as "extensive" [2] with a "large and vigorous" taproot [63,77]. Stalter and others [53] indicated that Amur peppervine produces "sucker shoots" but no details were provided. Amur peppervine roots often merge with the roots of associated shrubs or other vegetation [67].

Stand structure: Amur peppervine vines can dominate the vegetation by forming a uniform "blanket" over shrubs, trees, and the ground, especially on forest edges ([3,76], reviews by [14,47]). In New York, Amur peppervine maintained well over 100% combined cover with Amur honeysuckle (Lonicera maackii) on some sites [76]. In another New York location, Amur peppervine had an average cover of 13% but its cover was 28% when only open canopy sites were considered [3]. In a Washington DC park, Amur peppervine climbed trees with diameters of up to 4 inches (10 cm) and was able to climb larger diameter trees and ascend into their crowns by attaching to other vine species adapted to climb larger trees [44].

Raunkiaer [46] life form:

Reviews from North America indicate that Amur peppervine flowers during midsummer [13] but may begin as early as June in some locations [16]. It continues to flower throughout the growing season [21]. Its fruit begins to develop in late summer (review by [52]) and matures in the fall (reviews by [16,52]). Because Amur peppervine is slow to leaf out, most vegetative growth may occur in late summer [3].

In Canada, Amur peppervine cultivated in a greenhouse flowered throughout the growing season from May to August; inflorescences developed a few weeks prior to anthesis. Shoots began forming and elongating in July. Growth continued until the first hard frost. Within a week after the first frost, all but the first-order and possibly a few of the oldest second-order shoots had abscised. A few fruits overwintered on the vine. Overwintering buds, not externally visible, developed at the base of the vine at the end of the growing season [21].

In a grassland community in Japan, Amur peppervine seedlings typically emerged by mid-May, but some did not emerge until mid-July [39].


Amur peppervine reproduces vegetatively (3,54, reviews by [2,13,16,63,77]) and from seed (reviews by [2,13,53]).

Pollination and breeding system: Amur peppervine flowers are perfect ([21], review by [16]) and protandrous, suggesting the flowers may be cross pollinated (review by [78]). The flowers secrete nectar [21], which may attract insects for pollination.

Seed production: Each Amur peppervine fruit contains 1 to 4 ([21], reviews by [56,70]) smooth, triangular ovoid seeds about 3.5 mm in length (review by [70]). In Japan, seed rain was surveyed every 1 or 2 weeks for approximately 8 months in 1987 on 6 plots containing 4 seed traps each. During that time, seed traps on one plot averaged 133 Amur peppervine seeds per m², while seed traps on the remaining 5 plots had no Amur peppervine seed. No details, however, were provided regarding Amur peppervine's fruit production or abundance in the aboveground vegetation [39].

Seed dispersal: Amur peppervine seed is dispersed by birds ([53], reviews by [13,56]) and other small animals (review by [56]). White-tailed deer eat its fruit and may also disperse Amur peppervine seed [73]. Amur peppervine fruits float (review by [40]), and it has been speculated that its seed may be dispersed by water [48], which may provide another mechanism for long-range dispersal (review by [40]).

Seed banking: No information is available on this topic at the time of this publication (2009).

Germination: Available evidence indicates that Amur peppervine seed has a high germination rate ([2,3], review by [40]) and readily germinates following soil disturbance (review by [56]). Germination of Amur peppervine seed may be enhanced by removing the fruit pulp [2,16] or by scarifying seed through digestion (review by [53]). Moist chilling may also stimulate germination of Amur peppervine seed [2,16,68]. In Japan, freshly collected Amur peppervine seed failed to germinate in a controlled environment. Seeds were placed in a paper bag for less than 1 month to facilitate after-ripening and then were exposed to a variety of moisture and temperature regimes. Amur peppervine germination rates were low (5% to 19%) with one exception: 53% of Amur peppervine seeds germinated when placed in moist, cool conditions for 1 month and then exposed to increasing temperatures. Researchers speculated that moist chilling of Amur peppervine seed had a dormancy breaking effect [68].

Seedling establishment and plant growth: As of this writing (2009), little had been reported on seedling establishment in procelainberry. In one study [3], researchers counted 700 Amur peppervine seedlings in a 1-m² plot underneath a cluster of Amur peppervine. During a 2-year grassland study in Japan, Amur peppervine seedlings emerged infrequently, averaging only 1.5 seedlings/m² during the 1st year and 0.1 seedlings/m² in the 2nd year. The maximum number of seedlings produced in any one plot was 4 [39].

Reviews generally describe Amur peppervine as a rapid grower [16,40,54,70], but details about its growth are lacking. One review indicated that in North America, Amur peppervine may grow 15 to 20 feet (4.6-6.1 m) in a single growing season; however, this is considered an exception [16].

Vegetative regeneration: Although reviews indicate that Amur peppervine regenerates vegetatively [2,13,16], it is unclear by what means this occurs or how important this characteristic is to wild populations. Antenen and others [3] described Amur peppervine as spreading by "extensive underground growth". One report indicated that Amur peppervine may increase rapidly during a growing season by producing "copious sucker shoots" [53]. Recommendations for Amur peppervine control and management indicate that Amur peppervine sprouts after its aboveground stem is cut (reviews by [63,77]), suggesting it may sprout from its root crown; however, no details were provided as to the origin of the sprouts. Under cultivation, Amur peppervine easily roots from leafy cuttings of "firm growth" taken in summer [16]. Reviews indicate that Amur peppervine regenerates from root segments [2,13].

Climate: Information pertaining to Amur peppervine's overall climate range is unavailable; however, a few publications provide localized examples. Two accounts from the northeastern United States indicate that Amur peppervine occurs in temperate climates that are moist and have winter temperatures that do not typically fall below freezing. In the District of Columbia, Amur peppervine occurred in an area with an average annual minimum temperature of 43.5 °F (6.4 °C) in January and an average annual high temperature of 88.2 °F (31.2 °C) in July. Average annual precipitation for the area was 38.9 inches (987.8 mm) and was distributed evenly throughout the year [18]. In New York, Amur peppervine occurred in an area with an average annual low temperature of 32 °F (0 °C) in January and an average annual high temperature of 77 °F (25 °C) in July. The area received an average of 44.1 inches (1,120 mm) of rainfall per year (Ruffner and Bair 1987 cited by [76]). Amur peppervine has been described as winter-hardy [3], and one publication indicated that Amur peppervine may be grown in hardiness zones with average winter temperatures below freezing [16].

Elevation: A Forest Service fact sheet [63] stated that in North America, Amur peppervine occurs at altitudes from approximately 500 to 2,000 feet (150-600 m). In New York, Amur peppervine occurred at altitudes of approximately 82 feet (25 m) on one site [6] and from 250 to 705 feet (75-215 m) on another site [19] .

General habitat: Available evidence indicates that Amur peppervine is common in urban areas ([4], review by [56]) and on anthropogenically influenced sites such as rights-of-way (railway, road, utility) ([2,7], reviews by [40,52]), vacant lots (review by [40]), and cultivated or abandoned agricultural fields ([47], reviews by [14,40,52]). It establishes in artificially created wetlands [34] or those that have been extensively altered [53]. Amur peppervine also invades wildlands including forests [6,17,18,24,43,48,58,76], wetlands [34], grasslands (reviews by [13,14]), shrublands [58], sand dunes (review by [52]), and riparian areas ([2], reviews by [14,40,52,56,70]). Because Amur peppervine is likely intolerant of deep shade (see Successional status), its occurrence in forests and other shaded habitats is likely associated with edge habitat ([2,76], reviews by [38,40,52,70]) or disturbances that create canopy gaps ([2], reviews by [52,69]). One review [14] indicated that in the Northeast, Amur peppervine can dominate forest edge vegetation. In New York, Amur peppervine was abundant in a natural area that had undergone repeated anthropogenic disturbance, including extensive clearing and landscaping [76].

Moisture and Substrate: Information pertaining to moisture and substrate preference of Amur peppervine is limited to anecdotal information derived from a few publications specific to the northeastern United States; Amur peppervine may not be limited to the moisture regimes or substrates described here.

In the District of Columbia, Amur peppervine occurred on well-drained to excessively well-drained sites (J. Short personal communication cited in [18]). It grows well in moist soils (reviews by [40,56,66]); however, it is not likely to thrive in permanently flooded soils (reviews by [16,56]).

A review of available literature [6,18,34,48] indicates that Amur peppervine occurs in soils of variable texture; its preference for any specific type is unclear. In the District of Columbia Amur peppervine occurred in fine loams or somewhat coarser soils [18], and in New York, it occurred in a mixed deciduous hardwood forest in loamy soil [6]. In Pennsylvania, Amur peppervine occurred on a mesic site in deep silty soils derived from weathering of ancient granitic and hornblende gneisses [48]. In a constructed wetland in New Jersey, Amur peppervine established in coarse sediments derived from river cobblestones, sand, and gravel [34].

Reports from the northeastern United States indicate that Amur peppervine tolerates soil pH ranging from 3.6 to 5.5 ([6], J. Short personal communication cited in [18]) and may occur in soils low in nutrients (J. Short personal communication cited in [18]).

Shade Tolerance: Various sources including original research [3,25,47,76] and reviews [16,38,40,66] agree that Amur peppervine prefers full sun but tolerates partial shade. Plants that primarily occur on forest edges and openings—like Amur peppervine— typically require high light intensities to thrive (review by [48]). Based on field observations, Yost [76] speculated that Amur peppervine is shade intolerant. A review from the Virginia Department of Conservation indicated that Amur peppervine grows in shade [66], but the source of this statement was not given.

Amur peppervine has been studied from a successional perspective in Japan [30] and Pennsylvania [48], and based on these studies, Amur peppervine likely occurs in early-successional habitats. In New England, Amur peppervine is considered an early-successional species in forests (review by [40]). In Japan, Amur peppervine occurred on sites undergoing primary succession following volcanic eruptions. It was more frequent on 37-year-old lava fields (41-60% frequency) than on 125-year-old lava fields (21-40% frequency) [30]. A study in southeastern Pennsylvania reported Amur peppervine's abundance in various successional stages and found it was common in woodland ("uniform stands of mixed deciduous trees") and was least common in mature forest (with "extremely" dense shade). Amur peppervine's abundance was greatest in riparian forests that had experienced repeated disturbance:

Frequency and mean stem density of Amur peppervine by vegetation type or seral stage [48]
  Mature Forest Woodland Thicket Old Field Riparian
Frequency (%) 4 37 6 12 45
Density (stems/20 m²) 2a* 5.5b 3.0b 2.5b,c 33.3c
*Values followed by same letter are not significantly different (P<0.05)

Researchers speculated that Amur peppervine's abundance in riparian areas may have been more a function of seed dispersal than a preference for a particular seral stage. They speculated that given enough time, Amur peppervine may spread to the mature forests [48].

There is evidence that Amur peppervine may persist in forest communities with well developed canopies ([6,18], review by [69]). In the District of Columbia, Amur peppervine occurred in a "mature" oak forest with several trees over 275 years old [18] and also in a mixed deciduous forest containing large trees with diameters in excess of 24 inches (60 cm) (review by [69]). In New York, Amur peppervine occurred in a 100-year-old mixed deciduous forest with a well developed canopy [6]. In New York, Amur peppervine seedlings planted in a hardwood forest persisted under an intact canopy but grew better under canopy gaps [25], suggesting that while Amur peppervine may grow in mature forests, it may be more abundant on forest edges or under canopy gaps rather then in deep shade.

Heavy infestations of Amur peppervine may influence succession by killing supportive vegetation (i.e., trees and shrubs) and preventing seedling emergence (review by [47]).


SPECIES: Ampelopsis brevipedunculata

Immediate fire effect on plant: As of this writing (2009), Amur peppervine's ability to survive fire had not been described in available literature. Its belowground structures may be protected from fire if they are located deep enough in the soil. Plants with perennating buds well below the soil surface are typically least affected by fire ([10], reviews by [41,72]).

Postfire regeneration strategy [55]:
Tall shrub, adventitious buds and/or a sprouting root crown
Initial off-site colonizer (off site, initial community)
Secondary colonizer (on- or off-site seed sources)

Fire adaptations and plant response to fire:
Fire adaptations: As of this writing (2009), information pertaining to Amur peppervine's fire adaptations was limited to inferences based on its known biological attributes. Amur peppervine's underground structures may provide a source for postfire sprouting if they are not damaged by fire. Amur peppervine sprouts when cut (reviews by [63,77]), and may sprout—possibly from its roots or root crown—if it is top-killed by fire (see Vegetative regeneration).

Amur peppervine spreads by seed and may establish on burned sites from off-site seed sources. Information is needed on Amur peppervine's seed banking potential before speculating on its ability to establish from residual seed sources on burned sites.

Plant response to fire: Based on Amur peppervine's ability to regenerate vegetatively, produce abundant seed, and establish on open sites, it has been suggested that fire may favor Amur peppervine's spread (review by [14]).

Fuels: No information was available on Amur peppervine's fuels characteristics at the time of this publication (2009). Amur peppervine may increase fuel loads on sites where it climbs over and kills supporting trees (see Impacts and Control and Succession Status).

Fire regimes: At the time of this publication (2009), no information was found on fire regimes in plant communities where Amur peppervine is native. In its nonnative North American range, Amur peppervine occurs in plant communities with a wide range of historical fire regimes. It is especially invasive in deciduous forests in the northeastern United States where high severity fires have historically been infrequent; stand-replacement fires have return intervals estimated to be greater than 1,000 years [33]. Amur peppervine is also invasive in northeastern grasslands that have historically been maintained by frequent fire—primarily anthropogenic in origin; however, research on Amur peppervine's relationship to fire in grasslands is lacking (review by [14]). It is unclear how historical fire regimes might influence Amur peppervine or how Amur peppervine populations may influence fuel characteristics and fire regimes in native plant communities.

See the Fire Regime Table for further information on fire regimes in plant communities in which Amur peppervine may occur. Find further fire regime information for the plant communities in which this species may occur by entering the species name in the FEIS home page under "Find Fire Regimes".

Preventing postfire establishment and spread: There is potential for Amur peppervine to establish from seed on burned sites or to persist and possibly spread via vegetative regeneration after fire (see Fire adaptations); however, postfire control measures specific to Amur peppervine have not been described in the literature. In general, preventing invasive plants from establishing in weed-free burned areas is the most effective and least costly management method. Prevention of postfire establishment and spread of Amur peppervine on burned sites may be accomplished by limiting dispersal of its seed to burned sites, early detection and eradication of seedlings and sprouts, and careful monitoring and follow-up.

General recommendations for preventing postfire establishment and spread of invasive plants include:

For more detailed information on these topics see the following publications: [5,8,23,64].

Use of prescribed fire as a control agent: No information is available regarding the use of prescribed fire to control Amur peppervine at the time of this publication (2009).


SPECIES: Ampelopsis brevipedunculata

Information on state-level noxious weed status of plants in the United States is available at Plants Database.

Birds ([53], reviews by [13,56]) and white-tailed deer [73] eat Amur peppervine fruit, but it is unknown if it is an important food for any particular species. In Europe, Amur peppervine serves as a host for the European grapevine moth [59].

Palatability and/or nutritional value: No information is available on this topic at the time of this publication (2009).

Cover value: No information is available on this topic at the time of this publication (2009).

In Asia, Amur peppervine has been used in traditional folk medicine as an anti-inflammatory, diuretic, anti-hepatotoxic agent [74], and to treat liver disease [75]. Amur peppervine extracts are being investigated for their antioxidant activity [74] and their potential to be used to treat liver disease [75].

Although Amur peppervine is considered invasive in 12 states (reviews by [63,77]), its impacts are likely greatest along coastal areas of the Northeast where it is most common (see General Distribution). In the US Forest Service's Eastern Region, Amur peppervine is classified as a Category 1 invasive species. Plants in this catagory are "nonnative, highly invasive plants which invade natural habitats and replace native species" [62]. Amur peppervine has been described in various parts of the Northeast as a "pernicious invader" (review by [47]), "extremely destructive" [53], "aggressive" ([18,76], review by [71]) and "highly invasive" [66]. However, based on a literature review, Luken [35] did not consider Amur peppervine invasive in eastern forests, suggesting that it may not be invasive throughout its entire northeastern United States range. Although Amur peppervine may not currently (2009) be problematic throughout its range, numerous states including Massachusetts [38], Connecticut [12], Tennessee [57], Georgia [20], and the upper Great Lakes states [13], have placed it on their invasive species lists due to its potential to become invasive.

Amur peppervine invades wildlands and can climb over and shade out native vegetation ([53], reviews by [40,42,56,70,71]). The extra weight of this vine may make supporting vegetation more susceptible to wind and ice damage (reviews by [2,40,53,71]). Heavy infestations of Amur peppervine may kill native vegetation (reviews by [47,53]), suppress the establishment of tree seedlings ([76], review by [47]), and alter successional courses in invaded plant communities (see Successional Status). NatureServe [42] considers Amur peppervine to have medium to low ecological impacts; its tendencies to shade out native vegetation and exploit other resources (i.e., water, nutrients) are of most concern.

Control: Once Amur peppervine is established it is extremely difficult to control (reviews by [2,69]), and eradication is doubtful (reviews by [2,13,69]). Recommended control methods for Amur peppervine (reviews by [2,13,47,56,69,70]) tend to be labor intensive and/or may be slow to show effects. Amur peppervine's potential for long-range seed dispersal [42] and ongoing intentional planting of it ([27], reviews by [11,42,71]) make control more difficult.

Fire: No information is available on the use of prescribed fire for Amur peppervine control at the time of this publication (2009).

Prevention: Preventing the establishment and spread of Amur peppervine has not been discussed in the literature; however, concern in the literature over Amur peppervine's ongoing use for landscaping ([27] reviews by [11,42,71]) suggests that restricting the sale of Amur peppervine may reduce future establishment and spread.

It is commonly argued that the most cost-efficient and effective method of managing invasive species is to prevent their establishment and spread by maintaining "healthy" natural communities [36,51] (e.g., avoid road building in wildlands [61]) and by monitoring several times each year [29]. Managing to maintain the integrity of the native plant community and mitigate the factors enhancing ecosystem invasibility is likely to be more effective than managing solely to control the invader [28].

Cultural control: Shading has been recommended as a means for controlling Amur peppervine. Planting fast growing trees such as tulip-poplar and red maple, or allowing existing trees to mature, may shade out Amur peppervine, provided trees are kept free of its vines (reviews by [2,47]). Shading may control Amur peppervine best when used as a part of an integrated management plan [47].

Physical or mechanical control: Amur peppervine vines can be pulled down from trees (reviews by [13,69]). Cutting or mowing may control Amur peppervine [53]—particularly after its vines have been pulled down from trees (reviews by [69])—but repeated treatments are necessary to prevent sprouting (reviews by [2,69]). Because it prevents flowering, cutting may be most effective in the fall or spring (reviews by [13,56,70]). Repeated mowing may reduce Amur peppervine's "vigor" (review by [70]). One review indicated that Amur peppervine's root system cannot be dug out [2].

Biological control: Based on a literature review, Ding and others [15] identified Amur peppervine as one of a group of invasive species from Asia most in need of a biological control. Four natural enemies were identified as potential biological controls for Amur peppervine [15], but as of this writing (2009) nothing more has been published.

Chemical control: Amur peppervine may be controlled with herbicides ([53], review by [56]) such as triclopyr or glyphosate (review by [70]). One review recommended a foliar application of glyphosate in early autumn to be the most effective control for Amur peppervine. Basal bark applications of triclopyr formulated for use with penetrating oil control Amur peppervine, but precaution must be taken not to harm other woody species (review by [13]). Experimental treatments to control Amur peppervine indicated that herbicides controlled Amur peppervine when used in conjunction with mowing [47]. It has been suggested that large Amur peppervine vines be targeted for broad applications of herbicide and smaller vines be spot-sprayed ([47], review by [70]).

Herbicides are effective in gaining initial control of a new invasion or a severe infestation, but they are rarely a complete or long-term solution to weed management [9]. See the Weed control methods handbook [60] for considerations on the use of herbicides in natural areas and detailed information on specific chemicals.

Integrated management: Based on preliminary field testing, Robertson [47] recommended cutting Amur peppervine to the ground and treating stumps with herbicide to gain initial control of Amur peppervine, followed up with a dense planting of fast growing trees that may eventually shade out Amur peppervine. He recommended that hand-pulling or herbicide spot-spraying be used to control subsequent sprouting.


SPECIES: Ampelopsis brevipedunculata
The following table provides fire regime information that may be relevant to Amur peppervine's habitats. Find further fire regime information for the plant communities in which this species may occur by entering the species name in the FEIS home page under "Find Fire Regimes".

Fire regime information on vegetation communities in which Amur peppervine may occur. This information is taken from the LANDFIRE Rapid Assessment Vegetation Models [33], which were developed by local experts using available literature, local data, and/or expert opinion. This table summarizes fire regime characteristics for each plant community listed. The PDF file linked from each plant community name describes the model and synthesizes the knowledge available on vegetation composition, structure, and dynamics in that community. Cells are blank where information is not available in the Rapid Assessment Vegetation Model.
Northeast Southern Appalachians
Vegetation Community (Potential Natural Vegetation Group) Fire severity* Fire regime characteristics
Percent of fires Mean interval
Minimum interval
Maximum interval
Northeast Grassland
Northern coastal marsh Replacement 97% 7 2 50
Mixed 3% 265 20  
Northeast Woodland
Eastern woodland mosaic Replacement 2% 200 100 300
Mixed 9% 40 20 60
Surface or low 89% 4 1 7
Northeast Forested
Northern hardwoods (Northeast) Replacement 39% >1,000    
Mixed 61% 650    
Northern hardwoods-eastern hemlock Replacement 50% >1,000    
Surface or low 50% >1,000    
Northern hardwoods-spruce Replacement 100% >1,000 400 >1,000
Appalachian oak forest (dry-mesic) Replacement 2% 625 500 >1,000
Mixed 6% 250 200 500
Surface or low 92% 15 7 26
Beech-maple Replacement 100% >1,000    
Southern Appalachians
Vegetation Community (Potential Natural Vegetation Group) Fire severity* Fire regime characteristics
Percent of fires Mean interval
Minimum interval
Maximum interval
Southern Appalachians Grassland
Eastern prairie-woodland mosaic Replacement 50% 10    
Mixed 1% 900    
Surface or low 50% 10    
Southern Appalachians Woodland
Oak-ash woodland Replacement 23% 119    
Mixed 28% 95    
Surface or low 49% 55    
Southern Appalachians Forested
Bottomland hardwood forest Replacement 25% 435 200 >1,000
Mixed 24% 455 150 500
Surface or low 51% 210 50 250
Mixed mesophytic hardwood Replacement 11% 665    
Mixed 10% 715    
Surface or low 79% 90    
Appalachian oak-hickory-pine Replacement 3% 180 30 500
Mixed 8% 65 15 150
Surface or low 89% 6 3 10
Oak (eastern dry-xeric) Replacement 6% 128 50 100
Mixed 16% 50 20 30
Surface or low 78% 10 1 10
Appalachian oak forest (dry-mesic) Replacement 6% 220    
Mixed 15% 90    
Surface or low 79% 17    
*Fire Severities
Replacement: Any fire that causes greater than 75% top removal of a vegetation-fuel type, resulting in general replacement of existing vegetation; may or may not cause a lethal effect on the plants.
Mixed: Any fire burning more than 5% of an area that does not qualify as a replacement, surface, or low-severity fire; includes mosaic and other fires that are intermediate in effects.
Surface or low: Any fire that causes less than 25% upper layer replacement and/or removal in a vegetation-fuel class but burns 5% or more of the area [26,32].

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