Woody climber with usually twice ternate lfls; lfls ovate-lanceolate, entire or with a few teeth; fls creamy-white, 5-8 cm wide. Native of China, seldom 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.