Potentilla arguta Pursh
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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 - Perennial from a stout rhizome or branching caudex, ± viscid-pubescent throughout with brownish hairs; stems erect, 3–10 dm, simple to the narrow, crowded infl; lvs pinnately compound, the basal long-petioled; lfls 7–11, or only 5 in the uppermost lvs, increasing in size distally, to 7 cm, often alternating with minute folioles; fls ochroleucous or nearly white, 12–18 mm wide; sep ovate, much longer than the lanceolate bractlets, nearly as long as the pet; style deeply lateral; achenes obovoid, 1 mm, finely striate; 2n=14. Dry woods and prairies; e. Que. to Mack., s. to D.C., Ind., Mo., and Ariz. June, July. Ours is var. arguta. (Drymocallis agrimonioides)
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Common Names
tall potentilla