ILLINOIS PLANT INFORMATION NETWORK ILPIN INFORMATION ON Alyssum alyssoides CLASS: DICOTYLEDENAE ORDER: CAPPARALES FAMILY: BRASSICACEAE SCIENTIFIC NAME: Alyssum alyssoides AUTHORITY: L. COMMON NAMES: PALE ALYSSUM SYNONOMY: None PLANTS CODE: ALAL3 NATURAL COMMUNITIES: CULTURAL SUCCESSIONAL FIELD DEVELOPED LAND SAF FOREST COVER TYPE: NO NATURAL DIVISION: UNAVAILABLE COUNTIES: BOONE COOK CRAWFORD GRUNDY HENRY KANE KANKAKEE MCDONOUGH MCHENRY ROCK ISLAND ST. CLAIR VERMILION WINNEBAGO GROWTH FORM: Dicot-herb TAXONOMIC CHARACTERISTICS: ROOTS: Adventitious (fibrous) LEAF ARRANGEMENT: Alternate LEAF TYPE: Simple LEAF MARGIN: Entire LEAF SHAPE: Linear Oblanceolate INFLORESCENCE: Raceme FLOWER MEROUS: 4 FLOWER STRUCTURE: Complete Regular FLOWER COLOR: Yellow FLOWER PLACEMENT: Hypogynous FRUIT: SILIQUE GEOGRAPHIC INFORMATION: ORIGIN: Introduced- Europe POPULATION DYNAMICS: STATE STATUS: Not listed FEDERAL STATUS: Not listed COMMONNESS: Occasional ENDEMIC: NOT-ENDEMIC BIOLOGIC: HABIT: Forb LIFE CYCLE: Annual REPRODUCTION: Sexual FLOWERING PERIOD: MONTH BEGINNING- 5 MONTH END- 6 TROPHIC STATUS: Autotrophic C02 FIXATION: C3 SEX: Perfect ECODISTRIBUTION COMMENTS: Species is distributed along railroads; waste places. ENVIRONMENTAL RELATIONSHIPS: No data entered FUNCTIONAL RELATIONSHIPS: MYCORRHIZAE: no HUMAN RELATIONSHIP DATA: No data entered 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: Low PROTEIN VALUE: Low POISONOUS (LIVESTOCK): No REVEGETATION PLANTINGS: WEEDINESS: Non-weedy REFERENCES: Jones, G. N. 1963. Flora of Illinois. Third ed. American Midland Naturalist Monograph 7. University of Notre Dame, Indiana. 401 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. 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 Alyssum alyssoides ------------------------------------------------------------------------ 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