Habit: shrub, tree

Plant Height (m): 2-5 m

Elevation (m): 900-1200 m

Distribution: China: Guangxi

Young Branch: glabrous

Branchlet macula: absent

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, glandular

Leaf length (cm): 7-14.5 cm

Leaf width (cm): 3-6 cm

Leaf shape: obovate-elliptic, elliptic

Leaf margin: sharply serrate

Leaf apex: acuminate, acute, obtuse

Leaf base: cuneate

Lateral vein: pairs: 7-9

Petiole length (mm): 5-10 mm

Petiole: glabrous

Flower: solitary

Flower position: axillary, subterminal

Flower diameter (cm): 4-5 cm

Bract: absent

Pedicel: absent

Bractlet number: 4

Bractlet: persistent, deciduous after anthesis

Bractlet shape: ovate

Branchlet length (mm): mm

Bractlet hairiness: glabrous on both sides, pubescent outside

Sepal: persistent

Sepal number: 5-6

Sepal shape: ovate

Sepal length (mm): 10 mm

Sepal hairiness: glabrous on both sides, pubescent outside

Petal number: 9-10

Petal color: white

Petal shape: obovate

Petal apex: retuse

Petal length (mm): 25-30 mm

Petal width (mm): 15-20 mm

Stamen length (mm): 20 mm

Filaments hairiness: glabrous

Filaments: lower half of outer filaments connate into a short tube

Ovary: glabrous, tuberculate

Ovary shape: ovate

Ovary locus: 3-locular, 4-locular

Relative length of stamens and styles: equal

Style number: 3, 4

Style hairiness: glabrous

Style: free

Fruit rib: absent

Fruit shape: oblate, suborbicular

Fruit height (cm): cm

Fruit diameter (cm): 2-3 cm

Pericarp: tuberculate

Seed number per locule: 1, 2

Seed shape: semiorbicular, suborbicular

Seed color: brown

Seed hairiness: pubescent