Habit: shrub

Plant Height (m): 2.5 m

Distribution: other countries: Laos

Young Branch: hirsute

Terminal bud hairiness: sericeous

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: pubescent, glandular

Leaf length (cm): 6-8.5 cm

Leaf width (cm): 2-3.4 cm

Leaf shape: oblong-elliptic, oblong

Leaf margin: serrulate

Leaf apex: obtuse

Leaf base: broadly-cuneate, cuneate

Lateral vein: pairs: 5-7

Petiole length (mm): 3-5 mm

Petiole: hirsute

Flower: solitary

Flower position: axillary

Pedicel: stout

Pedicel length (cm): 0.3 cm

Pedicel hairiness: pubescent

Bractlet number: 2

Bractlet: early deciduous

Bractlet position: near the middle of pedicel

Sepal: leathery, margin membranous

Sepal number: 4-5

Sepal shape: suborbicular

Sepal length (mm): 4-6 mm

Sepal hairiness: glabrous outside, sericeous inside

Ovary: glabrous

Ovary shape: ovate

Ovary locus: 3-locular

Style number: 3

Style hairiness: glabrous

Style: free