Widely branched unarmed shrub 1-2 m, becoming densely and coarsely glandular above; lvs subrotund to triangular or reniform in outline, 1-2 dm wide, (3)5-lobed a half or a third their length; the lobes triangular, acute, irregularly serrate; fls rose-purple (white), in a loose, open, widely branched cyme; sep with ±dense purple elongate gland-tipped hairs or bristles; pet obovate, 1.5-2.5 cm; fr depressed, 1 cm thick, dryish and rather insipid, the drupelets tending to fall separately; 2n=14. Moist, shady places and margins of woods; N.S. and Me. to Mich., s. to N.C. and Tenn. June-Aug. (Rubacer o.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.