Monographs Details: Wisteria
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Genus Description - Cal-tube hemispheric to campanulate, bilabiate; cal-lobes unequal, the 2 upper short or completely connate, the lowest one often elongate; standard reflexed, rotund, with 2 basal callosities; wings obliquely obovate, clawed, auriculate at base of the blade; keel up curved, auriculate at base; stamens 10, diadelphous; fr linear, flattened, dehiscent, many-seeded; woody twining vines with odd-pinnate lvs and handsome blue fls in large racemes at the end of short branches, appearing before the lvs are fully expanded. (Kraunhia) 6, e. Asia, e. N. Amer.