Habit: shrub, tree

Plant Height (m): 1.5-11 m

Distribution: China: Zhejiang

Distribution: other countries: Japan

Young Branch: glabrous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, glandular

Leaf length (cm): 5-12 cm

Leaf width (cm): 2.5-7 cm

Leaf shape: oblong-elliptic, elliptic, broadly ovate

Leaf margin: serrulate

Leaf apex: acuminate, obtusely pointed

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 6-9

Petiole length (mm): 5 mm

Petiole: pubescent

Flower: solitary, 2-5 flowers clustered

Flower position: subterminal

Pedicel: absent

Bractlet number: 9-13

Bractlet: deciduous after anthesis

Bractlet shape: orbicular, ovate, semiorbicular

Branchlet length (mm): 2-20 mm

Bractlet hairiness: glabrous outside

Sepal: deciduous after anthesis

Sepal number: 9-13

Sepal shape: orbicular, ovate

Sepal length (mm): 2-20 mm

Sepal hairiness: glabrous outside

Petal number: 5-7

Petal color: red

Petal shape: obovate, broadly obovate

Petal apex: retuse, round

Petal length (mm): 30-45 mm

Petal: basally slightly connate

Stamen length (mm): 25-35 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

Style hairiness: glabrous

Style: 3-cleft

Fruit shape: orbicular

Fruit diameter (cm): 3-4 cm

Seed number per locule: 1, 2, 3 or more

Seed shape: semiorbicular, orbicular

Seed color: brown

Seed hairiness: glabrous