Habit: shrub, tree
Plant Height (m): 2-8 m
Elevation (m): 1500-2800 m
Distribution: China: Guizhou, Sichuan, Yunnan
Young Branch: glabrous, pubescent
Leaf upper surface: glabrous
Leaf texture: leathery
Leaf lower surface: glabrous, pubescent
Leaf length (cm): 6-10 cm
Leaf width (cm): 3-5 cm
Leaf shape: elliptic
Leaf margin: serrulate
Leaf apex: acuminate, acute
Leaf base: broadly-cuneate, cuneate, rounded
Lateral vein: pairs: 7
Petiole length (mm): 6-13 mm
Petiole: glabrous, pubescent
Flower position: axillary, subterminal
Pedicel: absent
Bractlet number: 8-10
Bractlet: deciduous after anthesis
Bractlet shape: broadly ovate, orbicular
Branchlet length (mm): 3-20 mm
Bractlet hairiness: glabrous outside, pubescent outside, sericeous inside
Sepal: leathery, deciduous after anthesis
Sepal number: 8-10
Sepal shape: broadly ovate, orbicular
Sepal length (mm): 3-20 mm
Sepal hairiness: glabrous outside, pubescent outside, sericeous inside
Petal number: 5-7
Petal color: red
Petal shape: obovate, obovate-spatulate
Petal apex: retuse
Petal length (mm): 40-60 mm
Petal width (mm): 30-45 mm
Petal: basally slightly connate
Stamen length (mm): 30-40 mm
Filaments hairiness: glabrous
Filaments: lower half of outer filaments connate, not forming a tube
Ovary: pubescent
Ovary shape: orbicular
Ovary locus: 3-locular, 4-locular, 5-locular
Relative length of stamens and styles: stamens longer than styles
Style length (mm): 25-35 mm
Style hairiness: glabrous, pubescent at the lower part
Style: 3-cleft, 4-cleft, 5-cleft
Fruit shape: oblate, orbicular
Fruit diameter (cm): 3-5 cm
Seed number per locule: 1, 2
Seed shape: semiorbicular, orbicular
Seed color: brown
