Heynea trijuga Sims, in Curtis, Bot. Mag. 41 (1815)

Synonyms
Ailantopsis poilanei Gagnep.
Azadirachta integerrima M.Roem.
Heynea affinis A.Juss.
Heynea connaroides (Wight & Arn.) Voigt
Heynea fruticosa Teijsm. & Binn.
Heynea pubescens Hook.f.
Heynea quinquejuga Roxb.
Heynea sumatrana Miq.
Heynea trijuga forma pubescens (Kurz) Craib
Heynea trijuga var. bijuga C.DC.
Heynea trijuga var. microcarpa Pierre
Heynea trijuga var. multijuga C.DC.
Heynea trijuga var. pilosula C.DC.
Heynea trijuga var. velutina Gagnep.
Leea laevis B.Heyne ex Wall.
Melia integerrima Buch.-Ham.
Picroderma laotica Gagnep.
Scutinanthe engleri Elmer
Trichilia connaroides (Wight & Arn.) Bentv.
Trichilia connaroides forma glabra Bentv.
Trichilia connaroides var. microcarpa (Pierre) Bentv.
Trichilia rimosa Blanco
Walsura intermedia Craib
Walsura pallida Craib
Walsura perrottetii C.DC.
Walsura pubescens Kurz
Walsura punctata Suess.
Walsura quinquejuga Kurz
Walsura sumatrana (Miq.) Harms ex Koord.
Walsura tenuifolia Ridl.
Walsura trijuga (Sims) Kurz
Walsura trijuga var. genuina Kurz
Walsura trijuga var. pubescens (Kurz) Kurz
Zanthoxylum connaroides Wight & Arn.

Description
Understorey tree up to 19 m tall and 25 cm dbh. Stipules absent. Leaves alternate, compound, leaflets penni-veined, glabrous, whitish below. Flowers ca. 4 mm diameter, white-yellowish, placed in panicles. Fruits ca. 15 mm diameter, pink-red, dehiscent capsules. Seeds with white aril.

Ecology
In open or lightly to severely disturbed sites in mixed dipterocarp and sub-montane forests up to 1700 m altitude. Often along roads but also in secondary regrowth on hillsides and ridges, but also on alluvial sites near or along rivers and streams. On sandy to clay soils.

Uses
Ornamental tree. The bark and leaves are of medicinal value. The seeds are poisonous.

Distribution
India to southern China to Peninsular Malaysia, Sumatra, Borneo (Sarawak, Brunei, Sabah, South- and East-Kalimantan), Philippines.

Local names
Borneo: Buah pasat.