Taxonomy
Family: Ranunculaceae
Some now place this plant in a different genus and refer to it as Pulsatilla patens (L.) P. Mill. ssp. multifida (Pritz.) Zamels.
Habitat
Dry hill prairies and barrens
Associates
Amorpha canescens, Andropogon scoparius, Anemona cylindrica, Bouteloua curtipendula, Geum triflorum, Lithospermum incisum, Viola pedata
Distribution
AK south to WA and TX, east to WI and IL.
Morphology
Hairy perennial to 40 cm. Basal leaves basal long-petioled, deeply palmately divided, kidney-shaped in outline. Involucral leaves sessile, in a whorl beneath the flower. Single flower appearing before basal leaves; sepals 5-7, white to blue or purple, 2.5 to 3.5 cm, villous on the back. Style plumose, attached to achene at maturity.
Notes
Flowers April to May
Wetland Indicator: Upland
The relatively large flowers are among the first to bloom in the spring. This plant, or varieties of it, also occur in Eurasia. The mature fruiting heads resemble Geum triflorum, and both of these plants share the common name of prairie smoke.
References
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 |