Habit: shrub, tree

Plant Height (m): 3-9 m

Elevation (m): 600 m

Distribution: China: Guangdong, Hong Kong

Young Branch: pubescent, stout

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, midrib hairy, glandular

Leaf length (cm): 7-11.5 cm

Leaf width (cm): 3-4.5 cm

Leaf shape: oblong-elliptic, oblong, obovate-elliptic

Leaf margin: serrulate

Leaf apex: acuminate, caudate

Leaf base: rounded, obtuse

Lateral vein: pairs: 6-7

Petiole length (mm): 5-10 mm

Petiole: glabrous, pubescent

Flower: solitary

Flower position: subterminal

Flower diameter (cm): 10-14 cm

Pedicel: absent

Bractlet number: 12-17

Bractlet: persistent

Bractlet shape: semiorbicular, suborbicular

Branchlet length (mm): 4-40 mm

Bractlet width (mm): 40-45 mm

Bractlet hairiness: pubescent inside, sericeous outside

Sepal: persistent

Sepal number: 12-17

Sepal shape: suborbicular, semiorbicular

Sepal length (mm): 4-45 mm

Sepal width (mm): 40-45 mm

Sepal hairiness: pubescent inside, sericeous outside

Petal number: 8-10

Petal shape: broadly obovate

Petal apex: retuse

Petal length (mm): 45-70 mm

Petal width (mm): 35-50 mm

Petal: basally slightly connate

Stamen length (mm): 25 mm

Filaments hairiness: glabrous

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

Ovary: pubescent

Ovary shape: orbicular

Ovary locus: 5-locular

Relative length of stamens and styles: equal

Style number: 5

Style length (mm): 25 mm

Style: 5-parted to the middle

Fruit shape: suborbicular

Fruit diameter (cm): 6 cm

Seed shape: semiorbicular

Seed color: brown