Wisteriopsis japonica (Siebold & Zucc.) J.Compton & Schrire. A Habit B stipels C lower surface of leaflet D flower bud with bract and bracteoles E flower F1 calyx outer surface F2 calyx inner surface and detail of hairs G standard petal inner surface H wing petal I keel petal J staminal column K ovary and style L pods M pod interior and seed N ventral view of seed O lateral view of seed A–C, E–K from Maximowicz s.n.. 1863 D from Oldham 386, L–O from Togasi MSM1, 1950. Drawn by Margaret Tebbs.