Habit: shrub, tree

Plant Height (m): 1-4 m

Elevation (m): 500-1450 m

Distribution: China: Hunan, Jiangxi, Sichuan, Taiwan

Young Branch: pubescent, tenuous

Leaf upper surface: midrib hairy

Leaf texture: leathery

Leaf lower surface: glabrous, pubescent

Leaf length (cm): 3-5 cm

Leaf width (cm): 1-1.5 cm

Leaf shape: lanceolate

Leaf margin: serrulate, lower part entire

Leaf apex: acuminate, acute, obtuse

Leaf base: broadly-cuneate, rounded

Petiole length (mm): 1-2 mm

Petiole: pubescent

Flower: solitary

Flower position: axillary, subterminal

Flower diameter (cm): 1.5 cm

Pedicel length (cm): 0.6-1.5 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, triangular-ovate

Branchlet length (mm): 0.5-1.2 mm

Bractlet hairiness: glabrous outside, pubescent outside, margin ciliated

Sepal: persistent

Sepal number: 5

Sepal shape: broadly ovate, suborbicular, lower 1/2 part connate into cup-shaped

Sepal hairiness: glabrous outside, margin ciliated, pubescent inside, pubescent outside

Petal number: 5

Petal color: white

Petal shape: obovate, broadly obovate

Petal apex: retuse, truncate

Petal length (mm): 10-18 mm

Petal: basally slightly connate

Stamen length (mm): 15 mm

Filaments hairiness: pubescent

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

Ovary: glabrous

Ovary shape: suborbicular

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style: 3-cleft

Fruit shape: suborbicular

Fruit diameter (cm): 1-1.5 cm

Seed number per locule: 1

Seed shape: suborbicular