Habit: shrub, tree

Plant Height (m): 1.5-5 m

Elevation (m): 900-2500 m

Distribution: China: Yunnan

Young Branch: hirsute

Leaf upper surface: midrib hairy

Leaf texture: leathery

Leaf lower surface: midrib hairy, tuberculate

Leaf length (cm): 3.5-6.5 cm

Leaf width (cm): 1.5-2.5 cm

Leaf shape: elliptic, elliptic-ovate

Leaf margin: serrulate

Leaf apex: acuminate, acute, caudate

Leaf base: cuneate

Lateral vein: pairs: 6-8

Petiole length (mm): 3-5 mm

Petiole: hirsute

Flower: solitary, 2-5 flowers clustered

Flower position: axillary, terminal

Pedicel length (cm): 0.4 cm

Pedicel hairiness: pubescent

Bractlet number: 2-3

Bractlet: persistent

Bractlet shape: broadly ovate, obtuse triangle

Branchlet length (mm): 2.5-3 mm

Bractlet hairiness: pubescent outside, pubescent on both sides, sericeous on both sides

Sepal: leathery, persistent

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 3-4 mm

Sepal hairiness: margin ciliated, pubescent on both sides, pubescent outside

Petal number: 5-6

Petal shape: broadly obovate

Petal apex: round

Petal length (mm): 13-20 mm

Petal width (mm): 10-18 mm

Petal hairiness: pubescent outside

Petal: basally slightly connate

Stamen length (mm): 15-18 mm

Filaments hairiness: glabrous

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

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

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

Style: 3-parted, but not to the base

Fruit shape: suborbicular

Fruit diameter (cm): 1.6 cm

Seed number per locule: 1

Seed shape: suborbicular

Seed color: castaneous