Rubus bifrons Vest ex Tratt.
Family: Rosaceae
Rubus bifrons image
Much like no. 24 [Rubus discolor Weihe & Nees]; stems glabrous or nearly so; prickles of stem and infl long, strong, subulate, straight, spreading; lfls 3 or 5; pet pale pink to red; 2n=28. European sp., occasionally escaped from cult. in our range.

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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