Habit: shrub, tree

Plant Height (m): 2-8 m

Distribution: China: Guangdong, Guangxi, Hong Kong, Xizang, Yunnan

Distribution: other countries: Bhutan, Burma, India, Vietnam

Young Branch: pubescent, stramineous

Leaf upper surface: midrib hairy

Leaf texture: papery, subleathery

Leaf lower surface: pubescent, midrib hairy, glaucous

Leaf length (cm): 5-12 cm

Leaf width (cm): 2.5-5 cm

Leaf shape: oblong-elliptic, oblong, elliptic

Leaf margin: serrulate, lower part entire

Leaf apex: caudate

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 8-10

Petiole length (mm): 3-7 mm

Petiole: glabrous, pubescent

Flower: solitary, 2-5 flowers clustered

Flower position: axillary, subterminal

Pedicel: present

Pedicel length (cm): 0.2-0.4 cm

Bractlet number: 4-5

Bractlet: persistent

Bractlet shape: semiorbicular, suborbicular

Bractlet hairiness: pubescent outside

Sepal: persistent

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 2-3.5 mm

Sepal hairiness: glabrous inside, margin ciliated, pubescent outside

Petal number: 5-7

Petal color: white

Petal shape: broadly ovate, obovate

Petal apex: round, truncate, cuspidate

Petal hairiness: pubescent outside

Stamen length (mm): 10-15 mm

Filaments hairiness: upper part villose

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

Ovary: pubescent

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style hairiness: pubescent

Style: 3-cleft

Fruit diameter (cm): 1.5-2 cm

Seed number per locule: 1

Seed shape: suborbicular

Seed color: brown