Small tree up to 5 m. Branchlets distinctly 4-angular, sometimes slightly winged, reddish brown. Leaves chartaceous, elliptic-oblong to-lanceolate, 17-38 by 5.5-12.5 cm; base attenuate, sometimes obtuse; apex acuminate; nerves 10-14 pairs, slightly elevated on both surfaces; petiole very short to obscure. Thyrses profusely branched, sometimes almost from the base, 18-45 cm. Peduncle very short, sometimes up to 7 cm. Pedicels 7-15(-20) mm. Flower buds flat, distinctly 5-angular, open flowers patent, 7 or 8 mm ø. Calyx lobes triangular, 1.25 by 1 mm, acuminate, the apex curved upward, margins short-fimbriate. Petals suborbicular or deltoid, c. 3 mm long, acute or round at apex, entire or sometimes slightly wavy. Disk distinctly 5-angular, acute or obtuse. Stamens small, c. ⅔ mm long; anthers obtuse. Ovary almost immersed in the disk. Fruits (young) c. 1 cm long, tuberculate, stalk up to 2½ cm. Seeds (including wing) 5.5 by 1.5 cm, the wing c. 2 mm wide around the seed proper.