Ranunculus rhomboideus Goldie
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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
Ranunculaceae
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Scientific Name
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Description
Species Description - Perennial, 1–2 dm at anthesis, spreading-hairy; basal lvs ovate-oblong to broadly ovate, 1–5 cm, long-petioled, crenate mostly above the middle, tapering to rounded at the base; cauline lvs sessile or subsessile, cleft into a few linear segments; fls few–several; pet oblong-elliptic, 5–9 mm, much surpassing the villous sep; achenes in a globose head, obliquely obovate, 2–2.8 mm, flattened below, turgid above; beak very short; 2n=16. Dry, open woods and prairies; Mich. and w. Ont. to Io., S.D., and Sask. Apr., May. (R. ovalis)
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Common Names
prairie-buttercup