Pterocelastrus rostratus Walp.

Tree, up to 9 m high. Branchlets angular, reddish. Leaves alternate, coriaceous, glossy dark green above, paler below; lamina broadly elliptic or oblong-lanceolate, (20-)50-90 x 13-40 mm, base cuneate, margins entire, wavy; midrib pink-tinged and raised above; petioles 5-7 mm long. Inflorescences many-branched, many-flowered, lax cymes, up to 35 mm long. Flowers white, yellowish or pinkish. Sepals unequal, 2 outer ± 0.5 mm long, 3 inner ± 2 mm long, margins laciniate. Petals oblong, ± 3 mm long, slightly clawed, margins slightly irregular. Stamens inserted in shallow sinuses of disc. Fruit a 3-valved, globose capsule, with many wing-like or decurrent horns, orange-red. Seeds enveloped by thin yellow aril.