Stems sparsely beset with wide-based prickles, otherwise glabrous and glandless; lvs pinnately compound; lfls 5-9, lanceolate, 7-10 cm, sessile, serrate; cor white, 3-4 cm wide; pet spreading, broadly obovate; fr red, to 3 cm, separating as a unit from the persistent receptacle; 2n=14. Native of Japan, escaped from cult. here and there 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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