ILLINOIS PLANT INFORMATION NETWORK ILPIN INFORMATION ON Arabis hirsuta glabrata CLASS: DICOTYLEDENAE ORDER: CAPPARALES FAMILY: BRASSICACEAE SCIENTIFIC NAME: Arabis hirsuta glabrata AUTHORITY: (L.) Scop. SUBSPECIFIC AUTHORITY: Torr. & Gray COMMON NAMES: ROCK CRESS SYNONOMY: None PLANTS CODE: ARHIG NATURAL COMMUNITIES: FOREST SAF FOREST COVER TYPE: UNAVAILABLE NATURAL DIVISION: UNAVAILABLE COUNTIES: KANKAKEE GROWTH FORM: Dicot-herb TAXONOMIC CHARACTERISTICS: ROOTS: Primary LEAF ARRANGEMENT: Alternate Basal LEAF TYPE: Simple LEAF MARGIN: Dentate LEAF VENATION: Pinnate LEAF SHAPE: Oblong Lanceolate Oblanceolate INFLORESCENCE: Raceme FLOWER MEROUS: 4 FLOWER STRUCTURE: Complete Regular FLOWER COLOR: White FLOWER PLACEMENT: Hypogynous FRUIT: SILIQUE DISTINGUISHING CHARACTERISTIC COMMENTS: Stems are glabrous above the middle. GEOGRAPHIC INFORMATION: ORIGIN: Native POPULATION DYNAMICS: STATE STATUS: Not listed FEDERAL STATUS: Not listed COMMONNESS: Rare ENDEMIC: NOT-ENDEMIC BIOLOGIC: HABIT: Forb LIFE CYCLE: Perennial REPRODUCTION: Sexual FLOWERING PERIOD: MONTH BEGINNING- 5 MONTH END- 6 TROPHIC STATUS: Autotrophic C02 FIXATION: C3 SEX: Perfect ENVIRONMENTAL RELATIONSHIPS: No data entered FUNCTIONAL RELATIONSHIPS: No data entered HUMAN RELATIONSHIP DATA: SHOWY FLOWERS: YES AMOUNT: Low WILDLIFE AND LIVESTOCK INFORMATION: No data entered REVEGETATION PLANTINGS: No data entered REFERENCES: 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. Mohlenbrock, R. H. 1967-continuing. The illustrated flora of Illinois. Southern Illinois University Press, Carbondale. Downton, W. J. S. 1975. The occurrence of C4 photosynthesis among plants. Photosynthetica 9(1): 96-105. END OF DATA FOR SPECIES Arabis hirsuta glabrata ------------------------------------------------------------------------ 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