Tree, up to 25 m high, up to 40(-60) cm dbh. Twigs glabrous. Petiole 9-14 mm. Leaf-blade 8-20 by 3-7 cm; above bright yellow to yellowish green, nerves finely prominent to rather obscure but mostly more distinct above than beneath; beneath midrib not very prominent, secondary nerves c. 5-7 pairs, finely prominent to rather obscure, intramarginal nerve indistinct, tertiary nerves finely prominent to obscure, fine venation mostly obscure; glands rather few, mainly situated near margin, 0.4-0.6 mm diam., basal glands similar. Inflorescences shorter than the leaves; axes more or less flattened, yellowish brown, densely to rather sparsely shortly patently hairy. Pedicel l-1.5(-4) mm, densely minutely appressedly greyish hairy. Sepals possibly persistent in fruit, medium-brown with light brown margin when dry; outer sepals 3.7-4.8 by 3.5-4 mm, (sub)gla-brous outside, often with (sometimes minute) glandular spots; inner sepals 4-5 by 4-4.2 mm, thickened in middle basal part, minutely appressedly hairy especially on the midrib, glabrous along the margin. Petals yellow, or white and the upper petals with a yellow spot, when dry yellowish, the longest one 8.5-10 mm long; carina very densely patently pubescent outside, densely pubescent in apical part inside; other petals glabrous or with few hairs in apical part outside. Stamens: anthers 0.5-0.7 mm long, minutely hairy. Ovary smooth or ribbed, glabrous, rarely sparsely appressedly hairy all round, apically often greyish hairy in 4 short rows; ovules 8-14. Fruit (immature) partly enclosed by the persistent sepals, ovoid, finely tuberculate, dull, yellowish brown.
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