Macaranga winkleri Pax & K.Hoffm., in Engl. Pflanz. 7 (1914)
Named after H. Winkler [1875-?], a German Botanist.

Description
Understorey tree up to 20 m tall and 31 cm dbh. Twigs hollow, ant-inhabited, glabrous. Stipules erect, ca. 21 mm long. Leaves alternate, simple, peltate, palmately-veined, glabrous. Flowers ca. 0.5 mm diameter, green-yellow-reddish, placed in bundles within bracts which are part of large panicles. Fruits ca. 3 mm diameter, greenish, 2-lobed, dehiscent capsules.

Ecology
In open sites (usually riversides) in mixed dipterocarp and sub-montane forests up to 1800 m altitude. Often common in disturbed forests, especially along roadsides and other open places on hillsides. Often on clay to rocky soils.

Distribution
Borneo (throughout the island).

Local names in Borneo
Benuak kubong, Purang, Sedamai, Tisit.