Heritiera simplicifolia (Mast.) Kosterm., Reinwardtia 4 (1959)

Latin for 'simple leaved', as opposite to compound leaved.

Synonyms
Heritiera khidii Kosterm.
Tarrietia simplicifolia Mast.

Description
Emergent tree up to 64 m tall and 123 cm dbh. Stipules ca. 15 mm long. Leaves alternate, simple (young plants may have compound leaves like Heritiera javanica), penni-veined, glabrous to hairy on lower surface. Flowers ca. 2 mm diameter, yellow-pink, placed in panicles. Fruits ca. 76 mm long, green-pink-red-purple, winged nut.

Ecology
In undisturbed mixed dipterocarp forests up to 600 m altitude. On hillsides and ridges with sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Distribution
Peninsular Malaysia, Sumatra, Borneo (throughout the island).

Local names
Borneo: Balau, Halan, Kambang, Kambeng, Karai, Karai bukit, Kenyak, Markabang batu, Mengkulan, Panganitan, Peranggi, Sendok, Srikaya, Tabayang.