Habit: shrub

Plant Height (m): 1-4 m

Elevation (m): 1500-2700 m

Distribution: China: Sichuan

Young Branch: pubescent, lenticels, tenuous

Leaf upper surface: midrib hairy

Leaf texture: papery, subleathery

Leaf lower surface: midrib hairy

Leaf length (cm): 4-8 cm

Leaf width (cm): 1.7-2.5 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: undulately serrate

Leaf apex: acuminate, caudate

Leaf base: broadly-cuneate

Petiole length (mm): 2-4 mm

Petiole: pubescent

Flower: solitary, 2-5 flowers clustered

Flower position: axillary, subterminal

Pedicel length (cm): 0.3 cm

Bractlet number: 5

Bractlet: persistent

Bractlet position: covers the pedicel

Bractlet shape: semiorbicular

Branchlet length (mm): 0.5-1.5 mm

Bractlet hairiness: glabrous on both sides

Sepal: margin membranous, persistent

Sepal number: 5

Sepal shape: suborbicular

Sepal length (mm): 3-4 mm

Sepal hairiness: glabrous on both sides

Petal number: 5-7

Petal color: white

Petal shape: broadly obovate

Petal apex: round

Petal length (mm): 7-12 mm

Petal width (mm): 6-10 mm

Petal hairiness: pubescent outside

Petal: basally slightly connate

Stamen length (mm): 21 mm

Filaments hairiness: glabrous

Filaments: lower half of outer filaments connate, not forming a tube

Ovary: pubescent

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style length (mm): 10-13 mm

Style hairiness: glabrous

Style: 3-cleft

Fruit shape: orbicular

Fruit diameter (cm): 1-1.5 cm

Seed number per locule: 1

Seed shape: orbicular

Seed hairiness: glabrous