Habit: shrub, tree

Plant Height (m): 1.5-8 m

Elevation (m): 500-1500 m

Distribution: China: Guangxi, Guizhou, Hubei, Hunan, Sichuan, Yunnan

Young Branch: pubescent, tenuous

Leaf upper surface: midrib hairy

Leaf texture: papery, leathery

Leaf lower surface: glabrous

Leaf length (cm): 5-8 cm

Leaf width (cm): 1.5-3.5 cm

Leaf shape: oblong-elliptic, elliptic, oblong-lanceolate

Leaf margin: serrulate

Leaf apex: acuminate, acute, caudate

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 6-8

Petiole length (mm): 2-5 mm

Petiole: pubescent

Flower: solitary

Flower position: axillary, subterminal

Pedicel length (cm): 0.2-0.5 cm

Bractlet number: 4-5

Bractlet shape: semiorbicular, triangular-ovate

Branchlet length (mm): 0.5-1.5 mm

Bractlet hairiness: pubescent outside, sericeous on both sides

Sepal: persistent

Sepal number: 5

Sepal shape: ovate

Sepal length (mm): 1.5-4.5 mm

Sepal hairiness: glabrous inside, margin ciliated, pubescent outside

Petal number: 5

Petal color: white

Petal shape: broadly ovate, obovate

Petal apex: retuse

Stamen length (mm): 12-18 mm

Filaments hairiness: glabrous

Filaments: lower half of outer filaments connate into a short tube

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style: 3-cleft, 3-parted, but not to the base

Fruit shape: orbicular

Fruit diameter (cm): 1-1.5 cm

Seed number per locule: 1

Seed shape: suborbicular

Seed color: castaneous