Tree, up to 30 m, 55 cm ø. Leaves oblong to lanceolate, 5-15 by 1½-5 cm, acute to acuminate at apex, acute or a little tapering at base, entire; petiole 3-5 mm. Inflorescences terminal and axillary, made up of a varying number of mostly 3-to 5-flowered, shortened, sessile cymes,flowering simultaneously, the 2-5(-10) mm long rachis mostly growing on vegetatively when terminal, sometimes when axillary; pedicels c. ½ cm, up to 1 cm in fruit, those of one cyme fixed close to each other in one tier. Torus c. ⅓ mm high, ½-¾ mm ø, in fruit up to 2½ mm high, 4 mm ø. Sepals ovate to elliptic, 3-4½ by 1¼-1¾ mm. Petals obovate-lanceolate, 3-4½ by 1-1¼ mm, acute at apex. Stamens with c. 1½ mm long filaments; anthers c. 1½ by ⅓ mm. Ovaries c. 0.6 by 0.5 mm; style 1½-2 mm, in fruit up to 3 mm. Fruits up to 6 by 5 mm.
Primary rain-forest on flat country to steep slopes, up to 750 m, on clay, sand, or peat, in sites which may be inundated during the wettest season.