Habit: shrub, tree

Plant Height (m): 10 m

Elevation (m): 500-1100 m

Distribution: China: Guangxi, Guizhou, Hunan

Young Branch: glabrous

Young Branch shape: quadrangular

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, midrib hairy

Leaf length (cm): 7-12 cm

Leaf width (cm): 2.5-3.5 cm

Leaf shape: oblong, oblong-lanceolate

Leaf margin: sharply serrate

Leaf apex: acuminate, caudately acuminate, tail-pointed

Leaf base: broadly-cuneate, obtuse

Lateral vein: pairs: 7-9

Petiole length (mm): 8-12 mm

Petiole: glabrous

Flower: solitary, 2-5 flowers clustered

Flower position: subterminal

Pedicel: absent

Bractlet number: 3

Bractlet: deciduous after anthesis

Bractlet shape: semiorbicular

Branchlet length (mm): 4-10 mm

Bractlet hairiness: sericeous on both sides

Sepal: deciduous after anthesis

Sepal number: 5-6

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 15 mm

Sepal hairiness: sericeous on both sides

Petal number: 6-8

Petal color: white

Petal shape: obovate

Petal length (mm): 25-40 mm

Petal width (mm): 15 mm

Stamen length (mm): 25-30 mm

Filaments hairiness: glabrous

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

Ovary: pubescent

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style number: 3

Style hairiness: pubescent at the upper part

Style: free

Fruit shape: oblate, orbicular

Fruit diameter (cm): 2-2.5 cm

Seed number per locule: 1, 2

Seed shape: semiorbicular, orbicular

Seed color: brown

Seed hairiness: pubescent