Hypanthium obconic, its mouth contracted by a conspicuous disk; sep triangular; bractlets usually wanting; pet yellow; stamens numerous, the slender filaments erect and persistent; carpels 2-6, free and distinct, inserted on a hairy receptacle, enclosed by the hypanthium except for the elongate, terminal, protruding, deciduous styles; ovule 1, basal; fr an achene; perennial rhizomatous herbs with the aspect of Fragaria, having 3-foliolate basal lvs and a naked or bracteate peduncle bearing a cyme of small fls. 6, N. Temp.
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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