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Dry prairies, open woods and barrens
ME west to British Columbia, south to NJ, OH, MO, and AZ.
Herbaceous perennial to 1 m from a short caudex. Basal and involucral leaves petiolate, the latter more than 3, both deeply 3-5 parted into narrow segments bearing sparse teeth. Peduncles 2-6, to 30 cm; sepals mostly 5, greenish-white, to 12 mm long. Heads dense, cylindrical, to 4.5 cm and less than 1 cm wide; achenes cottony.
Flowers June to August
Wetland Indicator: Upland
The achenes of the mature fruiting heads are very densely packed and wholly, causing the heads to become swell into a cottony mass at maturity.
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