ILLINOIS PLANT INFORMATION NETWORK ILPIN INFORMATION ON Leonurus cardiaca CLASS: DICOTYLEDENAE ORDER: LAMIALES FAMILY: LAMIACEAE SCIENTIFIC NAME: Leonurus cardiaca AUTHORITY: L. COMMON NAMES: MOTHERWORT SYNONOMY: None PLANTS CODE: LECA2 NATURAL COMMUNITIES: FOREST UPLAND FOREST DRY DRY-MESIC MESIC CULTURAL AGRICULTURAL FIELD PASTURELAND FIELD DIVISION SUCCESSIONAL FIELD DEVELOPED LAND SAF FOREST COVER TYPE: UNAVAILABLE NATURAL DIVISION: UNAVAILABLE COUNTIES: ADAMS BOONE BROWN BUREAU CALHOUN CASS CHAMPAIGN CHRISTIAN CLARK COLES COOK CRAWFORD CUMBERLAND DEKALB DEWITT DOUGLAS DUPAGE EDGAR FORD FULTON GALLATIN GREENE GRUNDY HANCOCK HENDERSON IROQUOIS JACKSON JERSEY JO DAVIESS JOHNSON KANE KANKAKEE KENDALL KNOX LAKE LASALLE LAWRENCE LEE MCDONOUGH MCHENRY MCLEAN MACON MACOUPIN MARSHALL MASON MASSAC MENARD MERCER MORGAN MOULTRIE OGLE PEORIA PIATT PIKE PUTNAM RANDOLPH RICHLAND ROCK ISLAND ST. CLAIR SANGAMON SCHUYLER SCOTT SHELBY STARK STEPHENSON TAZEWELL UNION VERMILION WABASH WARREN WASHINGTON WHITESIDE WILL WINNEBAGO WOODFORD GROWTH FORM: Dicot-herb TAXONOMIC CHARACTERISTICS: ROOTS: Adventitious (fibrous) LEAF ARRANGEMENT: Opposite LEAF TYPE: Simple LEAF MARGIN: Dentate Lobed (palmately) LEAF VENATION: Palmate INFLORESCENCE: Spike FLOWER MEROUS: 5 FLOWER STRUCTURE: Complete Irregular FLOWER COLOR: Red Violet FLOWER PLACEMENT: Hypogynous FRUIT: Nut DISTINGUISHING CHARACTERISTIC COMMENTS: Corolla is bearded; calyx lobes forming stiff slender spines. GEOGRAPHIC INFORMATION: ORIGIN: Introduced- Europe Asia POPULATION DYNAMICS: STATE STATUS: Not listed FEDERAL STATUS: Not listed COMMONNESS: Occasional ENDEMIC: NOT-ENDEMIC POPULATION STATUS COMMENTS: Species is less common in the southern half of state. BIOLOGIC: HABIT: Forb LIFE CYCLE: Perennial REPRODUCTION: Sexual Vegetative FLOWERING PERIOD: MONTH BEGINNING- 5 MONTH END- 8 TROPHIC STATUS: Autotrophic C02 FIXATION: C3 SEX: Perfect ECODISTRIBUTION COMMENTS: Species is distributed in shaded areas, disturbed woods, edges of barnyards; city parks. ENVIRONMENTAL RELATIONSHIPS: No data entered FUNCTIONAL RELATIONSHIPS: No data entered HUMAN RELATIONSHIP DATA: ALLERGENIC: Yes EDIBLE: Yes WILD HERBS: Medicinal HUMAN FACTOR COMMENTS: Young plant is eaten fresh or boiled; used as a bitter tonic; may cause dermatitis. WILDLIFE AND LIVESTOCK INFORMATION: FOOD VALUE: No data entered COVER VALUE: No data entered LIVESTOCK PALATABILITY DATA: CATTLE FORAGE: No data SHEEP FORAGE: No data HORSE FORAGE: No data GOAT FORAGE: No data ENERGY VALUE: No data PROTEIN VALUE: No data POISONOUS (LIVESTOCK): -mechanical injury LIVESTOCK COMMENTS: Calyx spines sometimes injure grazing animals. REVEGETATION PLANTINGS: WEEDINESS: Economic GENERAL COMMENTS: Regarding weediness, species may be economic or colonizing. REFERENCES: Mohlenbrock, R. H., ed. 1975. Guide to the vascular flora of Illinois. Southern Illinois University Press, Carbondale. 494 pp. Jones, G. N. 1963. Flora of Illinois. Third ed. American Midland Naturalist Monograph 7. University of Notre Dame, Indiana. 401 pp. Steyermark, J. A. 1963. Flora of Missouri. Iowa State University Press, Ames. 1725 pp. Gleason, H. A., and A. Cronquist. 1963. Manual of vascular plants of north- eastern United States and adjacent Canada. Van Nostrand Reinhold Co., New York. 810 pp. Fernald, M. L. 1950. Gray's manual of botany. 8th ed. American Book Co., New York. 1632 pp. Swink, F., and G. S. Wilhelm. 1979. Plants of the Chicago region. Third ed. The Morton Arboretum, Lisle, Illinois. 922 pp. Agricultural Experiment Station. 1981. Weeds of the North Central States. Bulletin 772. College of Agriculture, University of Illinois at Urbana- Champaign, Urbana. 303 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. Downton, W. J. S. 1975. The occurrence of C4 photosynthesis among plants. Photosynthetica 9(1): 96-105. END OF DATA FOR SPECIES Leonurus cardiaca ------------------------------------------------------------------------ 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