Habit: shrub

Plant Height (m): 1.5-3 m

Elevation (m): 600-1400 m

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

Young Branch: pubescent

Leaf upper surface: midrib hairy

Leaf texture: leathery

Leaf lower surface: glabrous

Leaf length (cm): 2.5-4.5 cm

Leaf width (cm): 1-2 cm

Leaf shape: oblong-elliptic, elliptic-ovate, ovate

Leaf margin: serrulate

Leaf apex: acuminate

Leaf base: broadly-cuneate

Lateral vein: pairs: 6-7

Petiole length (mm): 1-2 mm

Petiole: pubescent

Flower: solitary

Flower position: axillary, subterminal

Flower diameter (cm): 1.2-1.5 cm

Pedicel length (cm): 0.2-0.4 cm

Pedicel hairiness: glabrous

Bractlet number: 3-5

Bractlet: persistent

Bractlet position: spreading, arranged on the pedicel, not cover the pedicel

Bractlet shape: broadly ovate

Branchlet length (mm): 0.5-1.5 mm

Bractlet hairiness: glabrous outside, margin ciliated

Sepal: persistent

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 2-2.5 mm

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

Petal number: 5-7

Petal color: white

Petal shape: broadly obovate

Petal apex: retuse

Petal length (mm): 10-14 mm

Petal: basally slightly connate

Stamen length (mm): 10 mm

Filaments hairiness: glabrous

Filaments: the base of outer filaments connate into a short tube

Ovary: glabrous

Ovary shape: orbicular

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style: 3-cleft

Fruit shape: suborbicular

Fruit diameter (cm): 1-1.4 cm

Seed number per locule: 1

Seed shape: orbicular

Seed color: brown