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Sand prairies, black oak savannas, dry prairies, gravelly hill prairies.
In sandy prairies and oak savanna with Euphorbia corollata, Lespedeza capitata, Liatris aspera, Phlox pilosa, Quercus velutina, Smilacina stellata, Stipa spartea, Tradescantia ohiensis.
MI west to Manitoba, south to LA and TX.
Rhizomatous perennial to 90 cm. Leaves stiffly trident-shaped, with 3 lance-oblong lobes, the blade tissue decurrent along the midrib to the base. Flowers yellow. Fruit an achene; achenes usually with conspicuous, smooth marginal wings or keels.
Flowers late June to early August.
Wetland indicator: Upland
The seeds of many species in this genus have seeds that resemble ticks, hence the alternate common name "Tickseed".
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