Habit: shrub

Plant Height (m): 2 m

Elevation (m): 90-170 m

Distribution: China: Yunnan

Distribution: other countries: Vietnam

Young Branch: glabrous, pubescent, tenuous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: midrib hairy

Leaf length (cm): 7-13 cm

Leaf width (cm): 3-5 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: serrulate

Leaf apex: caudate

Leaf base: cuneate

Lateral vein: pairs: 6-7

Petiole length (mm): 5-8 mm

Petiole: pubescent

Flower: solitary

Flower position: axillary

Pedicel length (cm): 0.4-0.5 cm

Pedicel hairiness: glabrous

Bractlet number: 2-3

Bractlet: persistent

Bractlet position: upper part of the pedicel

Bractlet shape: ovate, semiorbicular

Branchlet length (mm): 0.5-1 mm

Bractlet hairiness: glabrous on both sides

Sepal number: 5-6

Sepal shape: broadly ovate

Sepal length (mm): 2-3 mm

Sepal width (mm): 3-4 mm

Sepal hairiness: glabrous on both sides

Petal number: 5-6

Petal shape: suborbicular, broadly obovate

Petal apex: round

Petal length (mm): 6-7 mm

Petal width (mm): 3.5-5.5 mm

Stamen length (mm): 4 mm

Filaments hairiness: glabrous

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

Ovary: glabrous

Ovary shape: ovate, base with terete disc

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style number: 3

Style: free