Goniothalamus macrophyllus (Bl.) Hook.f. & Thoms., Fl. Ind. 1 (1855)

Synonyms
Goniothalamus forbesii Baker f.
Goniothalamus lanceolatus (Bân) Mat-Salleh [Illegitimate]
Goniothalamus macrophyllus var. kerrii Bân
Goniothalamus macrophyllus var. lanceolatus Bân
Goniothalamus macrophyllus var. siamensis J.Sinclair
Polyalthia macrophylla (Bl.) Bl.
Unona macrophylla Bl.

Description
Understorey tree up to 7 m tall and 15 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined, rather large. Flowers with ca. 30 mm long petals, white-creamish coloured, fragrant, placed solitary or in small clusters on stem or branches. Fruitlets ca. 20 mm long, green-yellowish coloured, with only one seed, placed in apocarp.

Ecology
Undisturbed forests up to 1240 m altitude. Quite often found in disturbed forests, but usually as a pre-disturbance remnant.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java and Borneo (Sarawak, West- and East-Kalimantan).

Local names
Borneo: Empalis.