Much like no. 3 [Rosa multiflora Thunb.], but with smaller, rounder, firmer lfls, jagged-dentate stipules, fewer fls, and pubescent styles; semi-evergreen southward; 2n=14. Native of e. Asia, often planted along highways.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
