Habit: shrub, tree

Plant Height (m): 3-10 m

Elevation (m): 1500-1800 m

Distribution: China: Guangdong, Guangxi, Guizhou, Yunnan

Young Branch: glabrous

Terminal bud hairiness: puberulous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous

Leaf length (cm): 9-18 cm

Leaf width (cm): 4-6.5 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: serrulate

Leaf apex: caudate

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 9-11

Petiole length (mm): 7-12 mm

Petiole: glabrous, sulcate

Flower: solitary, 2-5 flowers clustered

Flower position: axillary

Flower diameter (cm): 4 cm

Pedicel length (cm): 0.9-1.3 cm

Pedicel hairiness: glabrous

Bractlet number: 2

Bractlet: early deciduous

Sepal: persistent

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 4-8 mm

Sepal hairiness: glabrous outside, sericeous inside

Petal number: 6-8

Petal shape: broadly obovate

Petal apex: round

Petal: basally slightly connate

Stamen length (mm): 15-20 mm

Filaments hairiness: glabrous

Filaments: lower half of outer filaments connate, not forming a tube

Ovary: glabrous

Ovary shape: orbicular

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style number: 3

Style length (mm): 20 mm

Style: 3-parted, but not to the base

Fruit shape: orbicular

Fruit height (cm): 5-8 cm

Seed number per locule: 2

Seed shape: semiorbicular

Seed color: castaneous