Syzygium acuminatissimum (Blume) A.DC., Prodr. 3 (1828)
Latin for 'very pointed', referring to the leaf tip.

Synonyms
Acmena acuminatissima (Blume) Merr. & Perry, Eugenia acuminatissima (Blume) Kurz, Eugenia attenuatifolia Merr., Eugenia cumingiana Vidal, Eugenia eucaudata Elmer, Eugenia saligna Merr., Eugenia subdecurrens Miq., Jambosa acuminatissima (Blume) Hassk., Myrtus acuminatissima Blume, Syzygium altissimum Wall., Syzygium cumingianum (Vidal) Gibbs

Description
Mid-canopy tree up to 34 m tall and 54 cm dbh. Stipules absent. Leaves opposite, simple, penni-veined with marginal vein, but usually venation barely visible, glabrous. Flowers ca. 4 mm diameter, white-pinkish, with protruding stamens, flowers placed in panicles. Fruits ca. 10 mm diameter, red-purple, fleshy berries.

Ecology
In undisturbed to slightly disturbed (open) mixed dipterocarp, keranga, sub-montane and montane forests up to 3000 m altitude. On hillsides and ridges, usually with poor sandy to ultrabasic soils, but also on clay and limestone. In secondary forests usually present as a pre-disturbance remnant.

Distribution
From India and southern China to New Guinea. In Borneo collected throughout the island.

Local names in Borneo
Arang, Obah, Ubah samak.