Habit: shrub, tree

Plant Height (m): 3-9 m

Elevation (m): 1500-2500 m

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

Young Branch: glabrous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, glandular

Leaf length (cm): 4.5-10 cm

Leaf width (cm): 2.5-3.5 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: sharply serrate

Leaf apex: acuminate, caudately acuminate

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 6-8

Petiole length (mm): 7-12 mm

Petiole: glabrous, pubescent

Flower: solitary

Flower position: subterminal

Pedicel: absent

Bractlet number: 9-11

Bractlet shape: orbicular, semiorbicular, obovate

Bractlet hairiness: glabrous inside, glabrous outside, pubescent outside

Sepal: margin membranous

Sepal number: 9-11

Sepal shape: orbicular, obovate, semiorbicular

Sepal hairiness: glabrous inside, glabrous outside, pubescent outside

Petal color: red

Petal shape: obovate, broadly obovate

Petal apex: retuse

Petal length (mm): 30-55 mm

Petal: basally slightly connate

Stamen length (mm): 20-30 mm

Filaments hairiness: glabrous

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

Ovary: pubescent

Ovary shape: orbicular

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style hairiness: glabrous, pubescent at the lower part

Style: 3-cleft

Fruit shape: oblate, apex retuse

Fruit height (cm): 2.5-3.5 cm

Fruit diameter (cm): 3-5 cm

Seed shape: semiorbicular, orbicular

Seed color: brown

Seed hairiness: glabrous