Habit: shrub, tree

Plant Height (m): 2-8 m

Elevation (m): 800-1750 m

Distribution: China: Guangdong, Guangxi, Guizhou, Hunan, Sichuan, Yunnan

Young Branch: pubescent

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: pubescent, midrib hairy

Leaf length (cm): 15 cm

Leaf width (cm): 2.5-5.5 cm

Leaf shape: oblong-elliptic, lanceolate

Leaf margin: serrulate, sharply serrate

Leaf apex: caudate

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 6-8

Petiole length (mm): 10 mm

Petiole: glabrous, pubescent

Flower: solitary, 2-5 flowers clustered

Flower position: subterminal

Flower diameter (cm): 4-6 cm

Pedicel: absent

Bractlet number: 8-10

Bractlet: deciduous after anthesis

Bractlet shape: orbicular, semiorbicular, obovate

Branchlet length (mm): 2-15 mm

Bractlet hairiness: glabrous inside

Sepal: leathery, margin membranous, deciduous after anthesis

Sepal number: 8-10

Sepal shape: orbicular, obovate

Sepal hairiness: glabrous inside

Petal number: 7-9

Petal color: red

Petal shape: obovate, suborbicular, broadly obovate

Petal apex: retuse

Petal length (mm): 30-35 mm

Petal hairiness: pubescent on both sides

Stamen length (mm): 25-35 mm

Filaments hairiness: pubescent

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

Ovary: pubescent

Ovary shape: orbicular

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

Style length (mm): 25-30 mm

Style hairiness: pubescent

Style: 3-cleft

Fruit shape: ovate

Fruit diameter (cm): 4-5.5 cm

Seed number per locule: 2

Seed shape: semiorbicular

Seed color: brown

Seed hairiness: glabrous