Habit: shrub, tree

Plant Height (m): 3-8 m

Elevation (m): 700-900 m

Distribution: China: Guangdong, Guangxi, Hunan

Young Branch: pubescent

Leaf texture: leathery, thickly leathery

Leaf lower surface: pubescent, midrib hairy

Leaf length (cm): 8-14 cm

Leaf width (cm): 2-3 cm

Leaf shape: oblong, lanceolate

Leaf margin: sharply serrate, comb-shaped sharply serrate

Leaf apex: caudate

Leaf base: broadly-cuneate, rounded

Lateral vein: pairs: 7-9

Petiole length (mm): 6-13 mm

Petiole: glabrous, pubescent

Flower: solitary

Flower position: subterminal

Flower diameter (cm): 5-6 cm

Pedicel: absent

Bractlet number: 15

Bractlet: persistent

Bractlet shape: broadly ovate, orbicular, semiorbicular

Branchlet length (mm): 2.5-20 mm

Bractlet hairiness: glabrous inside, sericeous outside

Sepal: leathery, margin membranous

Sepal number: 15

Sepal shape: orbicular, semiorbicular

Sepal length (mm): 2.5-20 mm

Sepal hairiness: glabrous inside, sericeous outside

Petal number: 5-7

Petal color: white

Petal shape: obovate, suborbicular

Petal apex: retuse

Petal length (mm): 30-40 mm

Petal: basally slightly connate

Stamen length (mm): 25-35 mm

Filaments hairiness: pubescent

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

Ovary: glabrous, pubescent

Ovary shape: orbicular

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style number: 3

Style length (mm): 20-25 mm

Style hairiness: glabrous, pubescent at the lower part

Style: 3-cleft

Fruit shape: orbicular

Fruit diameter (cm): 6-8 cm

Pericarp: glabrous, pubescent

Seed number per locule: 2, 3 or more

Seed color: brown

Seed hairiness: glabrous