Habit: shrub, tree

Plant Height (m): 3-4.5 m

Elevation (m): 350-410 m

Distribution: China: Yunnan

Young Branch: glabrous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous

Leaf length (cm): 16-25 cm

Leaf width (cm): 3.5-7 cm

Leaf shape: oblong, narrowly oblong-lanceolate

Leaf apex: caudate

Leaf base: broadly-cuneate, rounded

Lateral vein: pairs: 13-18

Petiole length (mm): 6-10 mm

Petiole: glabrous

Flower: solitary, 2-5 flowers clustered

Flower position: axillary

Pedicel length (cm): 2.5-3.5 cm

Pedicel hairiness: glabrous

Bractlet number: 3

Bractlet: persistent

Bractlet position: near the middle of pedicel

Bractlet shape: ovate

Branchlet length (mm): 1 mm

Bractlet hairiness: glabrous on both sides

Sepal number: 5

Sepal shape: broadly ovate, suborbicular

Sepal length (mm): 3-5 mm

Sepal width (mm): 3-4 mm

Sepal hairiness: glabrous on both sides, margin ciliated

Petal number: 7

Petal color: white

Petal shape: obovate-elliptic

Petal length (mm): 7-10 mm

Petal width (mm): 6-7 mm

Petal hairiness: glabrous on both sides

Stamen length (mm): 7 mm

Filaments hairiness: glabrous

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

Ovary: pubescent

Ovary shape: ovate

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style number: 3

Style length (mm): 5 mm

Style hairiness: glabrous, pubescent at the lower part

Style: 3-parted to near the base