Habit: shrub, tree

Plant Height (m): 3-7.5 m

Elevation (m): 1100-2300 m

Distribution: China: Guizhou, Yunnan

Young Branch: pubescent, hirsute

Leaf upper surface: midrib hairy

Leaf texture: leathery

Leaf lower surface: pubescent, midrib hairy

Leaf length (cm): 6-11.5 cm

Leaf width (cm): 2-4.5 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: serrulate, sharply serrate

Leaf apex: acute, caudate

Leaf base: broadly-cuneate, rounded

Lateral vein: pairs: 7-9

Petiole length (mm): 3-5 mm

Petiole: pubescent

Flower: solitary

Flower position: axillary, subterminal

Pedicel: absent

Bractlet number: 9-10

Bractlet: persistent

Bractlet shape: triangular-ovate

Branchlet length (mm): 2-10 mm

Bractlet hairiness: glabrous outside, pubescent inside, pubescent outside

Sepal: leathery, margin membranous

Sepal number: 9-10

Sepal shape: obovate, triangular-ovate

Sepal hairiness: glabrous outside, pubescent inside, pubescent outside

Petal number: 7-9

Petal shape: broadly obovate

Petal apex: round

Petal length (mm): 25-40 mm

Petal width (mm): 15-35 mm

Petal: basally slightly connate

Stamen length (mm): 20-25 mm

Filaments: the base of outer filaments connate into a short tube

Ovary: glabrous

Ovary shape: orbicular

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style number: 3

Style length (mm): 15-20 mm

Style: free

Fruit shape: oblate, orbicular

Fruit height (cm): 2-3 cm

Fruit diameter (cm): 2.5-4 cm

Seed color: brown

Seed hairiness: glabrous, pubescent