Tree to 10 m high; young parts, branchlets, leaf axes and peduncles crispate-tomentose. Leaves bifoliolate, rarely leaflets 2–4 pairs; rachis 2–6.5 cm long; leaflets with lamina obovate-elliptic, obtuse, emarginate, unequal and obtuse or acute at base, 6–14 cm long, 3–6 cm wide, appressed-pubescent or puberulent, ± subglaucous below; petiolule 2–4 mm long; petiole 1–2.5 cm long. Panicles to 10 cm long and wide; pedicels 5 mm long. Sepals 3–4 mm long to 3 mm wide, hoary outside. Petals 5, obovate, 6 mm long, 2.5 mm wide; scales absent or rudimentary. Disc complete. Samaras 3–4 cm long, hoary, wings cuneate/oblong, margins crispate.