Habit: tree

Plant Height (m): 2-5 m

Distribution: other countries: Vietnam

Young Branch: lenticels, stout

Leaf upper surface: glabrous

Leaf texture: leathery

Leaf lower surface: glabrous

Leaf length (cm): 29-44 cm

Leaf width (cm): 7-13.5 cm

Leaf shape: oblong-elliptic, oblong

Leaf margin: entire, deflexed

Leaf apex: acuminate, acute, obtusely pointed

Leaf base: rounded, obtuse

Lateral vein: pairs: 25-30

Petiole length (mm): 8-10 mm

Petiole: glabrous

Flower: 3-5 flowers forming short raceme

Bract: present

Bract shape: semiorbicular

Bract length (mm): 2-4 mm

Bract hairiness: pubescent outside

Pedicel: stout

Pedicel length (cm): 0.6-1 cm

Pedicel hairiness: pubescent

Bractlet number: 2-3

Bractlet position: near the middle of pedicel

Bractlet shape: ovate, suborbicular

Branchlet length (mm): 2-3 mm

Bractlet hairiness: glabrous inside, pubescent outside

Sepal: leathery

Sepal number: 5

Sepal shape: ovate

Sepal length (mm): 4-8 mm

Sepal hairiness: glabrous inside, pubescent outside

Petal number: 8-9

Petal color: purplish-red

Petal shape: broadly ovate, obovate, sepal-shaped

Petal apex: retuse

Petal texture: more or less fleshy

Petal hairiness: pubescent outside

Stamen length (mm): 20 mm

Filaments hairiness: pubescent at the base of inner filaments

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

Ovary: pubescent

Ovary shape: disciform-oblate

Ovary locus: 5-locular

Style number: 5

Style hairiness: pubescent at the lower part

Style: free

Fruit rib: present

Fruit shape: oblate

Fruit height (cm): 2.5 cm

Pericarp: pubescent

Seed number per locule: 2

Seed shape: semiorbicular

Seed color: brown

Seed hairiness: glabrous