Description from Flora of China
Grewia hirsutovelutina Burret; G. kainantensis Masamune; Sterculia tiliacea H. Léveillé.
Shrubs or small trees 1-5 m tall; branchlets yellow-brown stellate, coarsely hairy. Petiole 1-2 cm, coarsely stellate tomentose; leaf blade broadly ovate to nearly orbicular, usually lobed distally, 7-11 × 5-9 cm, papery, densely yellow and brown, coarsely stellate tomentose abaxially, adaxially sparsely coarsely stellate hairy, lateral basal veins more than 1/2 as long as leaf blade, each with 7-9 secondary veins, lateral veins distal, 3-4 pairs, base rounded or slightly cordate, margin serrulate, apex acute. Cymes 3-7 per leaf axil; peduncle 3-6 mm. Pedicel 4-8 mm. Bracts filiform, caducous. Sepals white, narrowly oblong, 6-8 × ca. 2 mm, abaxially hairy, adaxially glabrous. Petals 2-3 mm. Androgynophore glabrous. Stamens 4-5 mm. Ovary villous; style as long as sepals; stigma 2-lobed. Drupe obscurely 2- or 4-lobed, tomentose; drupelets 1 per lobe.
Scrub, slopes on grasslands. Guangdong, Guangxi, Guizhou, Hainan, Taiwan, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Thailand, Vietnam].