Softly woody shrub up to 2 m. tall; branches densely appressed strigulose when young, glabrescent later.. Stipules subulate, up to 4 mm. long; rhachis strigulose, up to 7 cm. long, including a petiole of up to 2.5 cm., prolonged up to 12 mm. beyond the lateral leaflets; stipellae subulate, ± 1 mm. long; petiolules ± 2 mm. long; leaflets 3–7, ovate-oblong or elliptic, sparsely strigulose on both surfaces, much paler beneath than above; terminal leaflet about twice as large as the others, up to 7 cm. long and 4 cm. wide.. Racemes brownish strigulose, many-flowered, up to 4 cm. long, including a peduncle of up to 4 mm.; bracts linear-lanceolate, up to 2 mm. long, caducous; pedicels reflexed in fruit, up to ± 1.5 mm. long.. Calyx brownish strigulose, ± 1 mm. long; lobes shorter than the tube.. Corolla densely appressed brownish strigulose outside; standard rather pointed.. Stamens 5–6 mm. long.. Pod with thickened sutures, ± 4 cm. long, including a stipe and point each of 4–5 mm., greatly constricted between the seeds, each segment ± 4 mm. long, 2 mm. wide, 1.7 mm. thick, the isthmi 1 mm. or less wide, brownish strigulose; endocarp spotted.. Seeds 5–7, oblong, pitted.