Habit: shrub, tree
Plant Height (m): 1-8 m
Distribution: China: Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hong Kong, Hubei, Hunan, Jiangsu, Jiangxi, Shannxi, Sichuan, Yunnan, Zhejiang
Distribution: other countries: Laos, Vietnam
Young Branch: pubescent
Leaf upper surface: glabrous, midrib hairy
Leaf texture: leathery, thickly leathery
Leaf lower surface: glabrous, midrib hairy
Leaf length (cm): 3-12 cm
Leaf width (cm): 2-5 cm
Leaf shape: oblong-elliptic, elliptic, elliptic-ovate, obovate
Leaf margin: serrulate
Leaf apex: acuminate, acute
Leaf base: broadly-cuneate, cuneate, rounded
Lateral vein: pairs: 5-8
Petiole length (mm): 5-10 mm
Petiole: pubescent
Flower: solitary, 2-5 flowers clustered
Flower position: axillary, terminal
Flower diameter (cm): 4-6 cm
Pedicel: absent
Bractlet number: 8-11
Bractlet: deciduous after anthesis
Bractlet shape: lunate, semiorbicular, suborbicular, obovate
Bractlet hairiness: glabrous inside, pubescent outside, margin ciliated
Sepal: deciduous after anthesis
Sepal number: 8-11
Sepal shape: suborbicular, obovate
Sepal hairiness: glabrous inside, margin ciliated, pubescent outside
Petal number: 5-7
Petal color: white
Petal shape: obovate
Petal apex: retuse
Petal length (mm): 25-35 mm
Petal width (mm): 15-25 mm
Stamen length (mm): 10-17 mm
Filaments hairiness: glabrous
Filaments: the base of outer filaments connate, not forming a tube
Ovary: pubescent
Ovary shape: orbicular
Ovary locus: 3-locular, 4-locular, 5-locular
Relative length of stamens and styles: stamens longer than styles
Style length (mm): 8-12 mm
Style hairiness: glabrous, pubescent at the lower part
Style: 3-cleft, 3-parted to near the base, 4-cleft, 5-cleft
Fruit shape: orbicular, suborbicular
Fruit diameter (cm): 3-4 cm
Seed number per locule: 1, 2, 3 or more
Seed shape: semiorbicular, orbicular
Seed color: brown
