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Disturbed woodlands. Seeds carried by animals, so often abundant along paths.
Much of the US except TX, FL, and many of the Great Plains States.
Herbaceous perennial, 50 to 150 cm, typically leaning rather than erect. Leaves with 4 or fewer pairs of lateral leaflets (not including interstitial leaflets). Flowers in long, terminal racemes, petals 5, bright yellow; sepals 2 mm long or longer. Rachis of the inflorescence is minutely glandular, with long, spreading hairs. Mature fruits more than 5 mm long
Flowers late June to September
Wetland Indicator: Facultative Upland +
The seeds of this plant mature late summer into fall and stick to clothing, like miniature versions of burdock. The interstitial leaflets (small leaflets between the larger ones) are characteristic of plants in this genus.
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.
© Michael Hough 2004