Tree to 5 m high. Branchlets glabrous, lenticellate. Leaves paripinnate; petiole and rachis narrowly winged; rachis 2–11 cm long; leaflets 4–6 pairs, rarely to 11 pairs, usually sessile; lamina narrowly obovate or narrowly elliptic-oblong, falcate, obtuse or subacute, apiculate, 1.5–7 cm long, 0.2–0.5 cm wide, rarely to 1 cm wide, glabrous, finely reticulate; petiolule if present to 1 mm long; petiole 1–3.5 cm long. Panicles terminal, 12–25 cm long; peduncles slender; pedicels 3 mm long. Sepals 2.5–5 mm long, 2 mm wide, usually submembranous, densely silky outside except glabrous margins. Petals 5, obovate, 4.5–7 mm long, 2–3 mm wide, hairy outside; scales without crests. Disc complete. Samara 2.5–4.5 cm long, densely velvety; wings erect, oblong-cuneate, oblique, truncate.
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