Laticiferous tree, 12-27 m, unbranched bole 6-17 m, 20-50 cm diam., crown spreading. Leaves glabrous, opposite or scattered, oblong to elliptic, base acute to ± acuminate, apex gradually bluntly acuminate, 6-28 by 3½-10 cm, auricles acute ½-2 mm long; petiole ½-2½ cm. Stipules subulate, glabrous, ca 4 mm long. Inflorescences glabrous or slightly tomentose, either paniculate, 1-14 cm long with branches 2-9 cm, or hardly branched 8-16 mm long; bracts glabrous, acute, 1 mm long. Flowers thickish, waxy yellow to pale greenish white, fascicled or solitary; pedicels 1-1½ mm. Sepals roundish or broadly acute 2 mm through. Corolla tube 1 mm, lobes ovate 3 by 2 mm. Staminodes acute 1 mm. Stamens ovoid 1 mm through. Ovary 2 by 1 mm; style 1 mm. Fruit ovoid, 17-20 by 17-15 mm, 1-(rarely 2-) seeded, 3 mm stalked; hilum 3 by 4 mm.
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A tree. It grows 40 m tall. The trunk is 70 cm across. The flowers are yellow to greenish-white. The fruit is round and 2 cm across. It ripens to red or purple-black.
Scattered in dense or open mixed rainforests, rarely in forest borders, among bamboos, or in secondary jungle, in the Malay Peninsula below 250 m, elsewhere ascending to 1100 m. Fl. and fr. irregularly.
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It is a tropical plant. It grows between 130-1,300 m above sea level.