Tree to 15 m high. Branchlets and leaf axes crispate-tomentose to puberulous, rusty brown; branchlets lenticellate. Leaf rachis 1–3.5 cm long; leaflets 2 or 3 pairs, elliptic to obovate, acute or acuminate, ±oblique at base, 3.5–9 cm long, 1.5–4 cm wide, glabrous or puberulous; midrib pubescent; petiolule 3–10 mm long; petiole 1–3.5 cm long. Panicles 6–11 cm long; peduncle tomentose; bracts very narrowly ovate, erect, to 7 mm long; pedicels to 2 mm long. Calyx lobes ovate, 2 mm long, densely villous. Petals obovate, slightly longer than calyx. Fruit sessile, broadly obovoid or ellipsoidal, triquetrous, winged, 1.5–2.5 cm long and in diam., yellow with pink flush, tomentose to puberulous.