Rudbeckia hirta - (image 1 of 5)
Taxonomy
Family: Asteraceae
Habitat
Prairies. Degraded prairies and pastures. Sandy oak savanna
Associates
Distribution
Widespread
Morphology
Coarsely hairy, annual to perennial herb. Leaves simple; lower leaves lanceolate to elliptic on long petioles; other leaves mostly sessile. Disk dark purple to brown; rays 8-21, yellow to orange and sometimes purplish at the base; pappus absent.
Notes
Flowers late May to late October
Wetland indicator: Facultative Upland
A popular garden plant for dry, sunny areas.
Bibliography
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
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Michael Hough © 2005 |