Trees to 25 m tall. Branchlets patent; young ones terete, ca. 3 mm in diam., striate, densely and finely rusty tomentulose. Leaves alternate; petiole 0.6-1.2 cm, finely rusty tomentose; leaf blade gray-brown and opaque abaxially, green and shiny adaxially, elliptic or oblong, 7.5-18 × 5-6.5 cm, subleathery, glabrous on both surfaces except puberulent along midrib adaxially, midrib slender, lateral veins 6-10 pairs, straight but abruptly curved near leaf margin, veins and veinlets reticulate, fine and dense, base acute or obtuse, apex shortly acuminate. Inflorescences to 14 cm, tomentose. Pedicels ca. 1 mm. Flowers yellow, 3-5 mm, tomentose outside. Perianth lobes narrowly ovate, 1.5-2 mm, tomentose inside. Fertile stamens 9, 1.5-2 mm, inner whorl longest. Staminodes triangular, ca. 1 mm. Ovary ca. 1 mm, glabrous or sparsely hairy at apex; style ca. 1 mm, glabrous. Infructescence paniculate, large and several branched. Fruit green, ellipsoid or narrowly ellipsoid, 2-2.5 cm, glabrous, very smooth, not angled. Fr. Aug.