Potentilla simplex Michx.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Rosaceae
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Scientific Name
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Description
Species Description - Stems and basal lvs from a short rhizome to 8 cm, the stems slender, with long internodes, villous to glabrate, at first erect and often 2–3 dm tall at first flowering, but soon widely ascending, eventually arching to the ground and producing a terminal tuber; lfls 5, oblanceolate to elliptic or obovate, to 7 cm, evidently toothed; fls yellow, 10–15 mm wide, solitary on slender axillary pedicels, the lowest one usually in the axil of the second well developed cauline lf; anthers 0.6–1.0 mm. Dry woods and fields; Nf. and Que. to Minn., s. to Ala. and Tex. Apr.–June.
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Common Names
old-field five-fingers