Bushy or weakly straggling woody herb or shrub, rarely climbing, up to 2(–4) m. tall.. Branches subterete, puberulous and ultimately glabrescent.. Leaves 3-foliolate; leaflets oblanceolate, elliptic or elliptic-obovate, up to 16–30 mm. long, 5–15 mm. wide, bluntly pointed to rounded or retuse and apiculate, cuneate, glabrous above, puberulous beneath; petiole slender, up to 15–25(–30) mm. long.. Stipules subulate to attenuate-triangular, 1–2 mm. long.. Racemes terminal and leaf-opposed, pedunculate, up to 11–20 cm. long, with generally numerous rather closely arranged flowers; bracts linear-subulate to narrowly triangular, 1–3 mm. long; bracteoles inserted on the pedicel, filiform, small.. Calyx 5–8 mm. long, protracted on the lower side, puberulous; upper lobes acuminately triangular, mostly 1–1·5 times as long as the tube.. Standard broadly elliptic, clear yellow, fading salmon, glabrous outside; wings ± as long as the keel, or a little shorter; keel rather abruptly rounded below the middle, with a well-developed twisted beak, 11–13(–15)mm. long.. Pod oblong-clavate, narrowed into the 2–4 mm. long stipe, up to 25–40 mm. long, 7–12 mm. across, puberulous, glabrescent, developing a conspicuous vein network, ± 10–16-seeded.. Seeds oblique-cordiform, ± 3 mm. long, smooth, greyish-buff.. Fig. 131, p. 953
Home