Shrub or small tree up to 5 m. Branchlets distinctly 4-angled, sharply winged. Leaves subcoriaceous to coriaceous, elliptic to elliptic-lanceolate, 9-29.5 by 3-13.5 cm; base rounded or cuneate; apex shortly acuminate to acuminate (acumen up to 1.5 cm); margin irregularly crenulate especially in the upper half; nerves (5-)8-12 pairs; nerves and veins depressed above, making the leaves subbullate; petiole 5-10 mm. Cymes 1(-2) axillary, sometimes on the internodes, rarely terminal, up to 10 cm long (in fruit up to 12 cm), usually forked near the apex. Peduncle 1.5-8.5 cm. Bracts small. Pedicels 2-3 mm, articulated at the base. Flowers greenish yellow. Calyx almost divided to the base, lobes +-reniform, 1.5-2 by 7-10 mm. Petals suborbicular, 3.5 mm ø, rather fleshy, thinner and wavy near the edge. Disk flat, square, c. 2 mm ø. Stamens c. 1 mm, inserted near the base of the ovary. Pistil c. 5 mm above the disk, pyramidal; style and stigma obscure. Fruits slightly depressed-globose, 1½-2 by 1-1.25 cm, 3-4 celled, slightly sulcate. Seeds broadly-ellipsoid, 8 by 6 mm, reddish brown.
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