Habit: shrub

Plant Height (m): 1.5-3 m

Elevation (m): 500-1050 m

Distribution: China: Hubei

Young Branch: pubescent

Leaf upper surface: midrib hairy

Leaf texture: leathery

Leaf lower surface: glabrous, pubescent

Leaf length (cm): 4-6.5 cm

Leaf width (cm): 1.5-2.5 cm

Leaf shape: elliptic-ovate, ovate

Leaf margin: serrulate

Leaf apex: acuminate, caudately acuminate

Leaf base: broadly-cuneate, rounded

Lateral vein: pairs: 6-7

Petiole length (mm): 3-5 mm

Petiole: pubescent

Flower: solitary, 2-5 flowers clustered

Flower position: axillary, terminal

Flower diameter (cm): 3 cm

Pedicel: absent

Bractlet number: 5-6

Bractlet shape: semiorbicular, suborbicular

Branchlet length (mm): 5-10 mm

Bractlet hairiness: glabrous inside, sericeous outside, margin ciliated

Sepal: margin membranous

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 10-15 mm

Sepal hairiness: glabrous inside, sericeous outside

Petal number: 7

Petal color: white

Petal shape: obovate

Petal apex: retuse

Petal length (mm): 20-25 mm

Petal: basally slightly connate

Stamen length (mm): 15 mm

Filaments hairiness: glabrous

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

Ovary: glabrous

Ovary locus: 3-locular, 4-locular

Relative length of stamens and styles: equal

Style number: 3, 4

Style: free

Fruit shape: suborbicular

Fruit diameter (cm): 1.5 cm

Pericarp: tuberculate

Seed number per locule: 1

Seed shape: orbicular

Seed color: brown

Seed hairiness: pubescent