Habit: tree

Plant Height (m): 7-8 m

Elevation (m): 100 m

Distribution: other countries: Vietnam

Young Branch: glabrous, pubescent, tenuous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous, midrib hairy

Leaf length (cm): 4.5-6.5 cm

Leaf width (cm): 2.3-3.2 cm

Leaf shape: elliptic

Leaf margin: serrulate

Leaf apex: acute

Leaf base: cuneate

Lateral vein: pairs: 6-8

Petiole length (mm): 5-7 mm

Petiole: glabrous, pubescent, sulcate

Flower: solitary, 2-5 flowers clustered

Flower position: axillary

Pedicel length (cm): 0.2-0.3 cm

Pedicel hairiness: pubescent

Bractlet number: 0-1

Bractlet: persistent

Bractlet position: close to the sepals

Bractlet shape: ovate

Branchlet length (mm): 1.5-2 mm

Bractlet hairiness: pubescent outside, margin ciliated

Sepal: persistent

Sepal number: 4-5

Sepal shape: suborbicular

Sepal length (mm): 3-4 mm

Sepal hairiness: glabrous outside, margin ciliated, pubescent outside, sericeous inside

Petal number: 5

Petal color: white

Petal shape: obovate

Petal apex: round

Petal length (mm): 10-13 mm

Petal width (mm): 5-7.5 mm

Petal: basally slightly connate

Stamen length (mm): 8-9 mm

Filaments hairiness: glabrous

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

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

Style number: 3