Habit: shrub, tree

Plant Height (m): 6 m

Elevation (m): 270-480 m

Distribution: China: Guangdong, Hunan

Young Branch: pubescent, stramineous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: pubescent, midrib hairy

Leaf length (cm): 12-21 cm

Leaf width (cm): 4-6 cm

Leaf shape: oblong

Leaf margin: serrulate, deflexed, lower part entire

Leaf apex: acuminate, obtusely pointed

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 8-10

Petiole length (mm): 8-10 mm

Petiole: pubescent

Flower: solitary

Flower position: axillary, subterminal

Flower diameter (cm): 2.5-3 cm

Pedicel length (cm): 0.5-0.7 cm

Pedicel hairiness: pubescent

Bractlet number: 3

Bractlet: early deciduous

Sepal: persistent

Sepal number: 5-6

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 5-6 mm

Sepal hairiness: glabrous inside, sericeous outside

Petal number: 5

Petal color: white

Petal shape: broadly obovate

Petal length (mm): 15-18 mm

Petal: basally slightly connate

Stamen length (mm): 10 mm

Filaments hairiness: glabrous

Filaments: the base of outer filaments connate, not forming a tube

Ovary: pubescent

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style length (mm): 10 mm

Style hairiness: glabrous, pubescent at the lower part

Style: 3-cleft

Fruit shape: oblate, flat triorbicular

Fruit height (cm): 1.5 cm

Fruit diameter (cm): 2 cm

Seed shape: semiorbicular, orbicular

Seed color: brown