Habit: shrub, tree

Plant Height (m): 1.5-5 m

Elevation (m): 130-450 m

Distribution: China: Guangxi

Young Branch: pubescent

Terminal bud hairiness: glabrous

Terminal bud shape: oblong

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: pubescent, midrib hairy, glandular

Leaf length (cm): 12-22 cm

Leaf width (cm): 5-8.5 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: serrulate

Leaf apex: caudate

Leaf base: rounded, obtuse

Lateral vein: pairs: 9-11

Petiole length (mm): 10 mm

Petiole: pubescent, sulcate

Flower: solitary

Flower position: axillary, subterminal

Flower diameter (cm): 5 cm

Pedicel length (cm): 0.5 cm

Bractlet number: 5-6

Bractlet position: covers the pedicel

Bractlet shape: lunate

Branchlet length (mm): 1-2.5 mm

Bractlet hairiness: glabrous on both sides, margin ciliated

Sepal number: 5

Sepal shape: broadly ovate, ovate

Sepal length (mm): 6-10 mm

Sepal hairiness: glabrous on both sides, margin ciliated

Sepal color: brown

Petal number: 11-12

Petal color: yellow

Petal shape: obovate, obovate-elliptic

Petal apex: round

Petal length (mm): 13-30 mm

Petal width (mm): 9-18 mm

Petal: basally slightly connate

Stamen length (mm): 20 mm

Filaments hairiness: glabrous

Filaments: lower half of outer filaments connate, not forming a tube

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

Relative length of stamens and styles: equal, stamens shorter than styles

Style number: 3

Style length (mm): 20-23 mm

Style: free

Fruit shape: oblate, biorbicular

Fruit diameter (cm): 3 cm

Pericarp: glabrous

Seed color: castaneous

Seed hairiness: pubescent