Habit: shrub, tree

Plant Height (m): 1-5 m

Elevation (m): 700 m

Distribution: China: Guizhou

Young Branch: glabrous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: midrib hairy, glandular

Leaf length (cm): 7-12 cm

Leaf width (cm): 2.5-4.5 cm

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

Leaf margin: serrulate

Leaf apex: acuminate, acute

Leaf base: broadly-cuneate, obtuse

Lateral vein: pairs: 8-9

Petiole length (mm): 8-12 mm

Petiole: glabrous

Flower: solitary

Flower position: axillary, subterminal

Flower diameter (cm): 4 cm

Pedicel: absent

Bractlet number: 4-6

Bractlet shape: ovate, semiorbicular

Bractlet hairiness: glabrous on both sides, margin ciliated

Sepal: margin membranous, persistent

Sepal number: 5-6

Sepal shape: broadly ovate, suborbicular

Sepal hairiness: glabrous inside, pubescent outside

Petal number: 7-8

Petal color: white

Petal shape: obovate

Petal length (mm): 20-30 mm

Petal width (mm): 10-18 mm

Stamen length (mm): 15-20 mm

Filaments hairiness: glabrous

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

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular, 4-locular, 5-locular

Style number: 3, 4, 5

Style hairiness: glabrous

Style: free

Fruit shape: oblate

Fruit diameter (cm): 2 cm

Pericarp: tuberculate

Seed number per locule: 2

Seed shape: semiorbicular

Seed color: brown

Seed hairiness: pubescent