Homalanthus populneus (Geiseler) Pax, in Engl. & Prantl. Nat. Planzenfam. 3, 5 (1890)

Synonyms
Carumbium populneum (Geiseler) Mull.Arg.
Carumbium populneus var. minus Mull.Arg.
Carumbium populifolium Reinw. ex Blume
Excoecaria laevis Blanco
Homalanthus leschenaultianus A.Juss.
Homalanthus populneus var. genuinus Pax & K.Hoffm.
Homalanthus populneus var. laevis (Blanco) Merr.
Homalanthus populneus var. minor (Mull.Arg.) Merr.
Homalanthus populneus var. siccus Pax
Homalanthus sulawesianus Airy Shaw
Stillingia populnea Geiseler

Description
Understorey tree up to 12 m tall and 12 cm dbh. Stipules ca. 14 mm long, red. Leaves alternate, simple, penni- to tripli-veined, glabrous, whitish below, sometimes with two glands at base of upper leaf surface. Flowers ca. 1.5 mm diameter, yellowish, placed in long racemes. Fruits ca. 5 mm diameter, green, dehishent capsules, seeds with aril.

Ecology
In rather heavily disturbed, open sites like scrub and roadsides up to 1500 m altitude.

Uses
The roots are used locally as a medicine against evil spirits, the leaves are used against diarrhea, while the fruits are applied to treat wounds. The bark and leaves also form ingredients for a black dye. The leaves are used as an ingredient in fish poison.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java, Lesser Sunda Islands, Borneo (Sarawak, Brunei, Sabah, West-, South- and East-Kalimantan), Philippines, Celebes, Moluccas.

Local names
Borneo: Bangki, Belantas, Belok malok, Bubalong, Bungalau, Buta-buta, Buta-buta paya, Buta lalat, Butaq, Delamato, Gela, Kalang matoh, Kayu kelepela, Kelebutag, Kepelak, Ketapang lalat, Laru, Ludai api, Majin, Merendang, Sedaman, Tapang lalat.