Habit: shrub, tree

Plant Height (m): 3-6 m

Elevation (m): 1500-1900 m

Distribution: China: Guangxi, Yunnan

Young Branch: pubescent

Terminal bud hairiness: sericeous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, pubescent

Leaf length (cm): 8-17 cm

Leaf width (cm): 3-7 cm

Leaf shape: oblong-elliptic, oblong

Leaf margin: sharply serrate

Leaf apex: acuminate

Leaf base: broadly-cuneate

Lateral vein: pairs: 9-11

Petiole length (mm): 8-12 mm

Petiole: glabrous, sulcate

Flower: solitary, 2-5 flowers clustered

Flower position: axillary, subterminal

Pedicel length (cm): 0.7-1 cm

Pedicel hairiness: glabrous

Bractlet number: 2

Bractlet: early deciduous

Sepal: leathery, margin membranous, persistent

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 7-10 mm

Sepal hairiness: glabrous outside, sericeous inside

Petal number: 8-10

Petal color: white

Petal shape: broadly obovate

Petal length (mm): 20-25 mm

Petal hairiness: glabrous on both sides

Stamen length (mm): 10-18 mm

Filaments hairiness: glabrous

Filaments: the base of outer filaments connate, not forming a tube

Ovary: glabrous

Ovary shape: orbicular

Relative length of stamens and styles: equal, stamens shorter than styles

Style length (mm): 18 mm

Style: 5-parted to the middle

Fruit shape: orbicular

Fruit diameter (cm): 4 cm

Seed number per locule: 2

Seed shape: semiorbicular

Seed color: brown