Habit: tree

Plant Height (m): 5-7 m

Distribution: other countries: Vietnam

Leaf texture: subleathery

Leaf lower surface: pubescent

Leaf length (cm): 24.5 cm

Leaf width (cm): 11 cm

Leaf shape: elliptic

Leaf margin: serrulate

Leaf apex: acute

Leaf base: subcordate, rounded

Lateral vein: pairs: 11-12

Petiole length (mm): 6-8 mm

Petiole: pubescent

Pedicel: stout

Pedicel length (cm): 0.6-0.8 cm

Pedicel hairiness: pubescent

Bractlet number: 6-8

Bractlet shape: broadly ovate

Branchlet length (mm): 3-7 mm

Bractlet width (mm): 4-8 mm

Bractlet hairiness: pubescent outside

Sepal: leathery

Sepal number: 7-8

Sepal shape: obovate

Sepal length (mm): 20-30 mm

Sepal width (mm): 18-25 mm

Sepal hairiness: glabrous inside, pubescent outside

Ovary: pubescent

Ovary locus: 3-locular

Style number: 3

Style hairiness: glabrous, pubescent at the lower part

Style: free