Habit: shrub, tree

Plant Height (m): 2-6 m

Elevation (m): 1000-1800 m

Distribution: China: Sichuan

Young Branch: glabrous, tenuous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, tuberculate

Leaf length (cm): 4-6.5 cm

Leaf width (cm): 1-1.8 cm

Leaf shape: oblong, oblong-lanceolate

Leaf margin: lower part entire

Leaf apex: acuminate, caudately acuminate

Leaf base: cuneate

Lateral vein: pairs: 6-8

Petiole length (mm): 2-4 mm

Petiole: glabrous, sulcate

Flower: solitary

Flower position: axillary, subterminal

Pedicel length (cm): 0.8-1.2 cm

Pedicel hairiness: glabrous

Bractlet number: 3-4

Bractlet: persistent

Bractlet position: upper part of the pedicel

Bractlet shape: obtuse triangle, ovate

Branchlet length (mm): 0.5-1.5 mm

Bractlet hairiness: glabrous outside, margin ciliated

Sepal number: 5

Sepal shape: semiorbicular

Sepal hairiness: glabrous outside, margin ciliated, pubescent inside

Petal number: 5-7

Petal color: white

Petal apex: round

Petal: basally highly connate

Stamen length (mm): 16-18 mm

Filaments hairiness: upper part villose, glabrous

Filaments: outer filaments completely connate into a long fleshy tube

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

Relative length of stamens and styles: equal

Style: 3-cleft

Fruit shape: suborbicular

Fruit diameter (cm): 1.5-2 cm

Seed number per locule: 1

Seed shape: suborbicular

Seed color: brown