Small to medium-sized tree up to 30 m, 60 cm ø. Buttresses up to 1 m tall, and 2 m out. Bark surface rough, grey-brown, often flaky. Young branchlets sparsely, minutely, appressed-pubescent, glabrescent; older branchlets sparsely lenticellate. Stipules narrow ovate-acute, 2-3 by 1 mm. Leaves coriaceous, glabrous, ovate-elliptic to elliptic-oblong, (5-)10-14(-20) by (2-)3-6(-8) cm, index 2½-3; base rounded, subcordate, or attenuate, equal-sided or occasionally slightly unequal; margin entire, rarely distantly, minute serrulate in the upper half, often undulate; apex acute, acuminate, or cuspidate, acumen up to 2 cm, sharp-tipped; midrib strongly raised and prominent beneath, impressed to flattish above; nerves (5-)7-8(-10) pairs, slightly raised beneath, flattish above, subparallel, arcuating, at an angle of more than 60° with the midrib, weakly anastomosing near the margin; reticulations fine, indistinct on both surfaces, subscalariform to sub-areolate; petiole glabrous, (5-)8-12(-15) by 1-2 mm, sulcate. ♂ Inflorescence up to 4 cm, 10-30-flowered; bracts ovate-acute, ¼-½ by ¼ mm; ♂ flower 1½-2 mm 0, short-stalked; perianth lobes obovate-lanceo-late, c. 2 by 1 mm; filaments 1-1½ irim, anthers ovoid-subreniform, c. 1 mm ø. ♀ Flower solitary or borne in a 2-3-flowered mixed inflores-cence, ovoid-ellipsoid, c. 2 by 1 mm; pedicels up to 10mm; perianth lobes coriaceous, ovate-acute, c. 2 by 1 mm; ovary ovoid, glabrous, c. 1½ by l mm; stigmatic arms 2-3 mm. Fruit ovoid, glabrous, including the beak 15-20 by 8-12 mm, beak up to 5 mm; pedicel up to 3 cm, 1 mm Ø.
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Trees, to 15-20(-33) m tall, d.b.h. 50-80(-150) cm. Bark grayish brown, usually smooth. Branchlets slender, sparsely pubescent or glabrous. Stipules lanceolate, 6-10 mm, abaxially pubescent. Petiole 7-12 mm, slender, glabrous; leaf blade narrowly ovate, ovate, or oblong-lanceolate, (5-)10-15 × (2-)3-5(-7) cm, base rounded to broadly cuneate, margin usually entire but occasionally inconspicuously serrate, apex caudate-acuminate; venation pinnate; secondary veins 6-10(-17) on each side of midvein, anastomosing before reaching margin. Male flowers: in pairs or in 3-7 cm cymes, ca. 2 mm in diam. Tepals 5, obovate-oblong. Anthers glabrous. Female flowers: solitary. Perianth 5-lobed; tepals narrowly ovate, ca. 2 mm. Drupes brownish red when mature, ovoid, 1.3-2 × 0.7-1.2 cm, hardly compressed, glabrous; perianth and styles persistent; stalk as long as or slightly longer than drupe. Fl. Mar-Apr or Sep-Nov, fr. Jul-Sep or Nov-Dec.
A tree. It grows 15-20 m tall. The trunk is 50-80 cm across. The bark is greyish brown. The leaves are narrowly oval and 10-15 cm long by 3-5 cm wide. The male flowers are in pairs and the female flowers occur singly. The fruit are reddish brown when ripe. They are oval and 2 cm long by 1 cm wide.
In primary lowland to submontane forest, 0-1300 m. In Malesia it is mainly confined to lowland forests subject to a rather pronounced seasonal climate. In Thailand it occurs mainly in the evergreen or semi-deciduous forests along streams. Outside Malesia flowering in March-April. In Malesia it flowers twice yearly, viz in Febr.-March and Sept.-Oct.Outside Malesia fruits mature in July-August. In Malesia fruits maturing in June-July and Nov.-Dec.
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It is a tropical plant. It grows on slopes of hills between 100-900 m above sea level in southern China. In Yunnan.
Slopes on hills at elevations up to 1,800 metres but usually below 900 metres.
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