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Diospyros sumatrana Miq.

Diospyros sumatrana Miq.




D. graciliflora King & Gamble, D. hendersonii Ridley, D. velutinosa Bakh.

Vernacular Names

Malaysia Kayu arang, kayu sihangus, meribut (Peninsular).
Thailand Lakkhoeilakklua, nian, dam (Peninsular).

Geographical Distributions

Diospyros sumatrana is distributed aroundThailand, Peninsular Malaysia, Sumatra and Borneo.



D. sumatranais a medium-sized tree which can reach up to measure 30 m tall. Its bole is up to measure 40 cm in diametre.

The leaves are oblong or ovate to obovate in shape, with a size of measuring about 2-20 cm x 1.2-7.5 cm, acute to narrowly tapering base, acuminate apex, hairless to densely pubescent below, glabrescent above while the tertiary venation is reticulate to vaguely transverse.

The male flowers are in (1-)3-10(-16)-flowered cymes, with 4-merous while the stamens are 8-16(-20). The female flowers are in 1-5-flowered cymes, 4-merous, valvate-plicate of sepal lobes, pubescent on both sides, divided to halfway of the petal and 8-9 staminodes. The ovary is with 2-forked style and 4 uni-ovulate locules.

The fruit is ellipsoid or ovoid to spherical in shape, and rarely obovoid, measuring about 1.2-2.5 cm x 0.7-2.4 cm and it is hairless to hairy.


Ecology / Cultivation

D. sumatrana is a polymorphic species with a large variation in size and hairiness of leaves, number of secondary veins and tertiary venation pattern. It is common and occurs in lowland to montane forest, up to 1700 m altitude. The density of the wood is 615-865 kg/m3 at 15% moisture content.


Line Drawing / Photograph



    1. Plant Resources of South-East Asia No. 5(2): Timber trees: Minor commercial timbers.

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