Tree; young branchlets shortly pubescent.. Leaves: petiole 2–3 mm. long; rhachis with petiole 0.8–1.5 cm. long, pubescent or puberulous; leaflets 4, opposite, or sometimes subopposite or alternate, sessile, obliquely lanceolate, oblong-lanceolate, oblanceolate, ovate-lanceolate, or ovate, ± falcate-curved, 1–5 cm. long, 0.5–2 cm. wide, usually gradually acuminate and acute at apex, rarely shortly narrowed and obtuse, glabrous or subglabrous.. Racemes terminal, short; axis ± 4–10 mm. long, puberulous; pedicels 4–7 mm. long (including hypanthium), sparsely puberulous to subglabrous.. Sepals 4.. Petals unknown.. Pods unknown.