Trees 6--30 m tall. Trunk 8--60 cm d.b.h., bark dark gray, irregularly divided. Branchlets stellate tomentose, glabrescent. Leaves alternate; petiole 0.5--1.5 cm; leaf blade elliptic to ovate, 5--18 X 4--10 cm, papery to leathery, abaxially densely gray to glaucous stellate pubescent, adaxially glabrous except for veins, base rounded to cuneate, margin entire or apically serrate, apex shortly acuminate, secondary veins 5 or 6 pairs, tertiary veins subparallel. Racemes or panicles 3--10 cm. Pedicel 5--10 mm. Flowers 1.2--2.5 cm. Calyx cup-shaped, 3--5 mm, truncate to 5-toothed. Corolla tube 3--4 mm; lobes ovate-lanceolate, 10--16 X 3--4 mm, membranous. Filaments sparsely white stellate pubescent; anthers narrowly oblong. Style ca. 1.5 cm, glabrous. Fruit subglobose, 1--1.2 cm in diam., densely gray stellate tomentose, apex apiculate to obtuse. Seeds chestnut brown, ovoid, densely tuberculate, stellate tomentose and pubescent. Fl. May-Jun, fr. Aug-Oct.
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A tree. It grows 6-30 m tall. The trunk is 8-60 cm across. The bark is dark grey and irregularly divided. The leaves are alternate and 8-18 cm long by 4-10 cm wide. The flowers are in groups and are 1-3 cm across. The fruit are flattened and 1 cm across.
narrow buds 7-10 by 2-3 mm
Mixed forests. Open forests on mountain slopes, and along the edges of mixed forests in relatively disturbed sites at elevations from 30-2,400 metres. A relatively common component of primary and secondary forests.
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A tropical plant. It grows in mixed forests between 100-2,000 m above sea level. In Yunnan.
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