Hypanthium saucer-shaped; sep 5, alternating with foliaceous bracts of nearly equal size; pet 5, white, obovate to subrotund; stamens numerous; with short filaments; pistils numerous, inserted on a prolongation of the receptacle; style slender, lateral; fr of numerous achenes on a greatly enlarged, juicy, edible red receptacle, subtended by the persistent calyx and bracts; perennial herbs, usually spreading freely by runners, with basal, 3-foliolate, serrate lvs and scape-like peduncles bearing few to several fls. 30, N. Temp., S. Amer.
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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