Shrub or bushy perennial herb, up to 1–2 m. tall.. Branches tomentose, with yellowish only slightly spreading hairs, ultimately glabrescent; bark with peeling epidermis.. Leaves, except on the youngest branches, mostly crowded on very short lateral shoots, appearing fasciculate, 3-foliolate;leaflets oblanceolate, oblanceolate-elliptic or obovate, up to 15–37 mm. long, 5–18 mm. wide, glabrous above, thinly to rather densely appressed pubescent beneath; petiole dt 10–42 mm. long.. Stipules linear, ± 2–4(–16) mm. long, rather persistent.. Racemes up to 4–13 cm. long, with few to numerous fairly closely arranged flowers; bracts linear, ± 2–5(–9) mm. long; bracteoles inserted on the pedicel, filiform, up to 1–5 mm. long.. Calyx 5–7 mm. long, slightly protracted on the lower side, appressed pubescent; upper lobes triangular, ± as long as the tube.. Standard broadly elliptic to suborbicular, yellow, becoming suffused with red or brown, glabrous outside or puberulous along the midvein; wings nearly as long as the keel; keel abruptly rounded below the middle, with a well-developed twisted beak, (12–)13–16 mm. long.. Pod shortly stipitate, oblong-clavate, ± 25–30 mm. long, 6 mm. across, appressed puberulous, with apparently rather few seeds matured from the 20–24 ovules.. Seeds oblique-cordiform, ± 3–3·5 mm. long, smooth, brown.
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