Habit: tree

Plant Height (m): 4 m

Elevation (m): 500 m

Distribution: other countries: Vietnam

Young Branch: glabrous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, glandular

Leaf length (cm): 11-15 cm

Leaf width (cm): 5.2-6.3 cm

Leaf shape: oblong-elliptic, elliptic

Leaf margin: undulately serrate

Leaf apex: caudate

Leaf base: broadly-cuneate, obtuse

Lateral vein: pairs: 8-9

Petiole length (mm): 5 mm

Petiole: glabrous

Flower position: subterminal

Bractlet number: 8

Bractlet position: bifariouly covers the pedicel

Bractlet shape: lunate, semiorbicular

Branchlet length (mm): 2-9 mm

Bractlet width (mm): 4-12 mm

Bractlet hairiness: glabrous inside, pubescent outside

Sepal number: 8

Sepal shape: orbicular, suborbicular

Sepal length (mm): 15-25 mm

Sepal hairiness: glabrous inside, pubescent outside

Style number: 5

Style: free

Fruit rib: present

Fruit shape: oblate, apex retuse

Fruit height (cm): 2.8-3 cm

Fruit diameter (cm): 3.5 cm

Pericarp: glabrous

Seed number per locule: 1

Seed shape: triangulate-ovate

Seed hairiness: glabrous