Ranunculus hispidus 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
Ranunculaceae
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Scientific Name
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Description
Species Description - Fibrous-rooted perennial 1.5–9 dm, sometimes with some somewhat thickened but elongate (over 5 cm) roots; rhizome short, regenerated in part each year, only the oldest portion withering; basal lvs the largest, the blade at least as wide as long, mostly 3-lobed or trifoliolate, the acute or acuminate lobes or segments (especially the terminal one) variously incised, lobed, or merely toothed; pet 5–8(–10), widest above the middle, 8–14 × 3–10 mm, equaling or to twice as long as the sep; receptacle ± clavate or ellipsoid above the broad staminal zone; body of the achenes subrotund or obovate, 2–3.5 mm, the nerves bordering the marginal keel tending to be raised so that the margin is ± tricarinate, the keel sometimes winged; beak straight or nearly so, 1.8–3 mm; 2n=32, 64. N.S. and s. Que. to se. Sask., s. to Fla. and e. Tex. Apr., May. Three vars., with broadly overlapping ranges.
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Common Names
hispid buttercup