Trees, to 25 m tall. Branchlets grayish brown when dry, terete, glabrous. Petiole 0.7-1.3 cm; leaf blade oblong to elliptic, 8-23 × 3.5-6.2 cm, thinly papery, abaxially pale green when dry, adaxially dark green and slightly glossy when dry, both surfaces with conspicuous small glands, abaxially glabrous, secondary veins 9-10 on each side of midvein, 0.8-1.6 cm apart, ascending at an angle of ca. 75° from midvein, and with another small parallel vein between them, intramarginal veins 2-5 mm from margin, base broadly cuneate, apex acuminate to sometimes acute. Inflorescences lateral on leafless branches, cymes, 2-6 cm, 4-7-flowered; peduncle ca. 1 cm. Flower buds obovoid, 6-7 mm. Pedicel 4-8 mm, with sparse trichomes. Hypanthium 4-5 mm, villosulous. Calyx lobes 4, semiorbicular, 1.5-2 mm. Petals 4, white, distinct, obovate, 5-6 mm. Stamens 6-10 mm. Style 4-5 mm. Fl. Jun-Jul.

● Broad-leaved evergreen forests; 800-1000 m. Xizang (Mêdog).