Stems arising 1-3 dm from a creeping rhizome, essentially herbaceous, erect, unbranched, often flexuous, unarmed, the lowest nodes bearing stipules only; lvs commonly 2 or 3, long-petioled, simple, rotund to reniform in outline, the largest 4-9 cm wide, shallowly 5-7-lobed, serrate; fls solitary, terminal, long-peduncled, white, 2-3 cm wide, unisexual; sep becoming reddish; fr edible, orange to red, 1.5-2 cm thick, quickly deciduous from the dry receptacle; 2n=56. Bogs and wet mt. slopes; circumboreal, extending s. to N.B., Me., and N.H. June, July.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.