Habit: shrub

Plant Height (m): 4-5 m

Elevation (m): 160 m

Distribution: China: Hainan

Young Branch: glabrous, tenuous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous

Leaf length (cm): 12-21 cm

Leaf width (cm): 4-7 cm

Leaf shape: oblong-elliptic, oblong

Leaf margin: subentire, undulately serrate

Leaf apex: obtuse

Leaf base: rounded, obtuse

Petiole length (mm): 3-7 mm

Petiole: glabrous, sulcate

Flower: solitary, 2-5 flowers clustered

Flower position: axillary

Flower diameter (cm): 1-1.2 cm

Pedicel length (cm): 0.2 cm

Pedicel hairiness: glabrous

Bractlet number: 2-3

Bractlet: persistent

Bractlet shape: broadly ovate

Branchlet length (mm): 2 mm

Bractlet hairiness: glabrous on both sides

Sepal: margin membranous

Sepal number: 5-6

Sepal shape: suborbicular

Sepal hairiness: glabrous on both sides

Petal number: 6-8

Petal color: yellowish

Petal apex: round

Petal length (mm): 6-7 mm

Petal: basally slightly connate

Stamen length (mm): 3-4 mm

Filaments hairiness: glabrous

Filaments: the base of outer filaments connate, not forming a tube

Ovary: pubescent

Ovary shape: orbicular

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style number: 2, 3, 4

Style length (mm): 2 mm

Style hairiness: glabrous

Style: free

Fruit shape: oblate

Fruit height (cm): 0.8 cm

Fruit diameter (cm): 1 cm