Habit: tree

Plant Height (m): 6-12 m

Elevation (m): 300 m

Distribution: China: Hainan

Young Branch: glabrous, stout

Leaf upper surface: glabrous

Leaf texture: thickly leathery

Leaf lower surface: glabrous, glandular

Leaf length (cm): 5.5-10.5 cm

Leaf width (cm): 3.5-5.5 cm

Leaf shape: elliptic, broadly obovate

Leaf margin: undulately serrate

Leaf apex: obtuse, rounded

Leaf base: broadly-cuneate

Lateral vein: pairs: 6

Petiole length (mm): 4-7 mm

Petiole: glabrous

Flower: solitary

Flower position: axillary

Pedicel: absent

Bractlet number: 2

Bractlet: persistent

Bractlet shape: lunate, semiorbicular

Branchlet length (mm): 2-3 mm

Bractlet width (mm): 2.5-4 mm

Bractlet hairiness: glabrous outside, sericeous inside

Sepal: leathery, persistent

Sepal number: 5

Sepal shape: suborbicular

Sepal length (mm): 6-8 mm

Sepal width (mm): 8-10 mm

Sepal hairiness: glabrous outside, sericeous inside

Petal number: 6-7

Petal color: white, yellowish

Petal shape: broadly obovate

Petal apex: round

Petal length (mm): 20-25 mm

Petal: basally slightly connate

Stamen length (mm): 15 mm

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

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

Relative length of stamens and styles: stamens longer than styles

Style number: 3

Style length (mm): 10 mm

Style hairiness: glabrous

Style: free

Fruit shape: suborbicular

Fruit diameter (cm): 3 cm

Seed shape: semiorbicular, suborbicular

Seed color: brown