Semecarpus heterophyllus Bl., Mus. Bot. 1 (1850)
(Latin for 'unequal leaves')

Synonyms
Melanochyla tomentosa (non Hook.f.) Engl.; Semecarpus albescens (non Kurz) K. & V.; Semecarpus anacardium (non L.f.) Bl.; Semecarpus cinerea H.H.W. Pearson; Semecarpus glabrescens Heine; Semecarpus heterophyllus var. angusta Bl.; Semecarpus heterophyllus var. major Bl.; Semecarpus heterophylla var. recurva Bl.

Description
Sub-canopy tree up to 22 m tall and 60 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined. Flowers ca. 6 mm in diameter, white, placed in panicles. Fruits ca. 19 mm long, orange fleshy drupe with cupule.

Ecology
Undisturbed forests up to 2000 m altitude. In secondary forests usually present as a pre-disturbance remnant.

Distribution
Peninsular Malaysia, Sumatra, Java, Lesser Sunda Islands, Borneo (Sarawak, Sabah and East-Kalimantan) and Celebes.

Local names in Borneo
Rengas.