Trees. Branchlets glabrous. Leaves alternate or clustered at apex of branchlet; petiole glabrous; leaf blade ovate or ovate-lanceolate, 4.5-6.5 × 1.5-2.5 cm, glabrous on both surfaces, glaucous abaxially, triplinerved, lateral veins 2 or 3 pairs, at angle of 30° from midrib, extending toward leaf apex, base obtuse or obtuse-cuneate, apex acuminate. Umbels axillary, sessile, 3-5-flowered. Male perianth tube short, segments 4, narrowly ovate, ciliate. Male flowers: fertile stamens 6; filaments pilose at base, of 3rd whorls each with 2 shortly stipitate large glands at base; rudimentary pistil ellipsoid-globose, covered with pubescence. Female flowers and fruit not seen.

● Broad-leaved forests on mountains. S Taiwan.