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Sandy woods, prairies.
In prairies with Eryngium yuccifolium, Heuchera richardsonii, Krigia biflora, Liatris spicata, Lithospermum canescens, Phlox pilosa fulgida, Rudbeckia hirta, Salix humilis, Stipa spartea.
MA and southern Ontario west to WI, south to FL and TX.
Perennial to 3 m from a short, stout rhizome. Stems usually glabrous and somewhat glaucous. Leaves divided to the midrib into 3 or more leaflets or divisions; leaflets lanceolate to elliptic or elliptic-oblong, usually more than 5mm wide; ray flowers with rounded tips, yellow; disk flowers yellow-brown.
Flowers early July to mid October
Wetland indicator: Facultative
The tallest plant in this genus. Could be mistaken for a sunflower.
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