Wisteria sinensis (Sims) Sweet
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - With 7–13 lfls and shorter (1.5–2 dm) racemes of slightly larger (2.5 cm) fls opening almost simultaneously, also escapes in our range, especially southward.