ILLINOIS PLANT INFORMATION NETWORK ILPIN INFORMATION ON Carex interior CLASS: MONOCOTYLEDENAE ORDER: CYPERALES FAMILY: CYPERACEAE SCIENTIFIC NAME: Carex interior AUTHORITY: Bailey COMMON NAMES: INLAND SEDGE SYNONOMY: None PLANTS CODE: CAIN11 NATURAL COMMUNITIES: FOREST FLOODPLAIN FOREST WET PRAIRIE TYPICAL PRAIRIE MESIC WETLAND SWAMP BOG SEDGE MEADOW SEEP & SPRING CALCAREOUS SEEP PRIMARY BLUFF CLIFF (ROCKY BLUFF) LIMESTONE SAF FOREST COVER TYPE: CENTRAL Upland oak White/Black/Northern Red- Oak NATURAL DIVISION: UNAVAILABLE COUNTIES: BOONE CHRISTIAN COOK DEKALB DUPAGE KANE KANKAKEE LAKE MCHENRY MASON MENARD OGLE PEORIA POPE STARK TAZEWELL VERMILION WILL WINNEBAGO GROWTH FORM: Monocot TAXONOMIC CHARACTERISTICS: ROOTS: Adventitious (fibrous) LEAF ARRANGEMENT: Alternate LEAF TYPE: Simple LEAF MARGIN: Entire LEAF VENATION: Parallel LEAF SHAPE: Linear INFLORESCENCE: Spike Head FLOWER MEROUS: 3 FLOWER STRUCTURE: Incomplete (no petals) (no sepals) FLOWER PLACEMENT: Hypogynous FRUIT: Achene DISTINGUISHING CHARACTERISTIC COMMENTS: Perigynia sans wings, lower part spongy-thickened. Pistillate scales about 3/4 length of body of perigynia. Distinctive features include: 1) very narrow leaf-blades (1-3 mm w.) and, 2) few-flowered small clusters of widely spreading or recurving perigynia. GEOGRAPHIC INFORMATION: ORIGIN: Native GEOGRAPHIC COMMENTS: Species is occasional in northern 1/2 of Illinois and Christian and Pope counties. POPULATION DYNAMICS: STATE STATUS: Not listed FEDERAL STATUS: Not listed COMMONNESS: Occasional ENDEMIC: NOT-ENDEMIC BIOLOGIC: HABIT: Grasslike LIFE CYCLE: Perennial REPRODUCTION: Sexual Vegetative FLOWERING PERIOD: MONTH BEGINNING- 5 MONTH END- 8 TROPHIC STATUS: Autotrophic SEX: Perfect BIOLOGIC COMMENTS: Staminate flowers or remnants are at base of some spikes. ECODISTRIBUTION COMMENTS: Species is found in swampy, calcareous, spring-fed meadows, occasionally on dripping limestone ledges of bluff bases. Aboreal North America, species at its southern limits in Ozarks of Missouri. ENVIRONMENTAL RELATIONSHIPS: No data entered FUNCTIONAL RELATIONSHIPS: MYCORRHIZAE: no HUMAN RELATIONSHIP DATA: No data entered WILDLIFE AND LIVESTOCK INFORMATION: No data entered REVEGETATION PLANTINGS: WEEDINESS: Non-weedy REFERENCES: Mohlenbrock, R. H., ed. 1975. Guide to the vascular flora of Illinois. Southern Illinois University Press, Carbondale. 494 pp. Steyermark, J. A. 1963. Flora of Missouri. Iowa State University Press, Ames. 1725 pp. Fernald, M. L. 1950. Gray's manual of botany. 8th ed. American Book Co., New York. 1632 pp. Gleason, H. A. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. 3 vols. The New York Botanical Garden, New York. Mackenzie, K. K. 1940. North American Cariceae. 2 vols. The New York Botanical Garden, New York. END OF DATA FOR SPECIES Carex interior ------------------------------------------------------------------------ ILPIN was developed by Louis Iverson*, with data compiled by David Ketzner and Jeanne Karnes Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820 *currently employed by USDA Forest Service, 359 Main Rd., Delaware, OH 43015