Description from Flora of China
Trees. Branchlets and terminal bud gray stellate or glabrescent. Petiole slender, 2-3.5 cm, stellate pubescent; leaf blade ovate-oblong, 9-12 × 4-6 cm, papery, abaxially gray appressed-pubescent, adaxially glabrous, lateral veins 6-7 pairs, base oblique, cordate or truncate, margin serrulate, apex acuminate. Cymes 6-16-flowered, 7-11 cm; peduncle glabrous. Bracts narrowly oblanceolate, 6-9 × 1-1.5 cm, abaxially gray stellate pilose, adaxially glabrous, basal 1/2 tapering, decurrent, apex obtuse; stalk 0.5-0.7 cm. Pedicel grooved, 7-9 mm, gray hairy. Sepals narrowly ovate, 4-5 mm, abaxially gray hairy. Petals ovate, 6-7 mm. Stamens 35, 3-4 mm; staminodes ca. 5 mm; stalk ca. 1.5 mm. Ovary tomentose; style 3-4 mm. Fruit with exocarp woody, hard, indehiscent.
● Forests; ca. 2300 m. NW Yunnan.