Description from
Flora of China
Trees ca. 10 m tall. Branchlets shortly appressed sericeous, glabrescent. Petiole 1.5-2 cm, slender, swollen at both ends; leaf blade abaxially greenish, adaxially dark green, slightly shiny, elliptic, oblanceolate, or oblong, 8-13 × 3-5.5 cm, papery, abaxially sericeous at first, glabrescent, adaxially glabrous, lateral veins 10-12 per side, prominently raised abaxially, conspicuous adaxially, veinlets dense, prominent on both surfaces, glandular in vein axils, base cuneate, slightly decurrent, margin minutely crenate, apex acute, acumen obtuse. Raceme 2-4 cm, 4-7-flowered; bract caducous, minute. Pedicel ca. 5 mm. Flower buds ovoid-oblong, ca. 7 mm. Sepals 5, lanceolate, abaxially minutely pubescent. Petals 5, narrowly oblong, slightly shorter than sepals, glabrous, margin laciniate at apices; segments 12, ca. 2 mm, abaxially pubescent. Stamens 30, 4-5 mm, shortly awned. Disk 10-lobed, pubescent. Ovary 3-loculed, pubescent; style shorter than stamens. Fruit unknown. Fl. Apr, fr. unknown.
● Forests; ca. 1400 m. SE Yunnan.