Saurauia glabra Merr.

(Latin for 'glabrous')

Sub-canopy tree up to 23 m tall and 25 cm dbh. Young twigs and leaves densely covered with scales. Stipules absent. Leaves alternate, simple, penni-veined, slightly to conspicuously toothed margin. Flowers ca. 15 mm in diameter, white, placed in bundles on the branches, conspicuous yellow stamens. Fruits up to 9 mm, dry capsules filled with many small seeds, calyx persistent.

Mainly in undisturbed mixed dipterocarp forests, but sometimes also in Heath and Keranga forest. In secondary forest usually present as a pre-disturbance remnant tree. Growing along rivers, on hillsides and ridges, up to 1200 m altitude (71% of collections from 0-500 m, 25% from 500-1000 m, and 4% from 1000-1500 m).

Borneo (Sarawak, Sabah, East- and West-Kalimantan).

Local names
Indonesia: Bua Besak; Burok; Ingor-ingor; Ingor-ulu; Kelibudo; Lepidek; Maroak; Mata ikan; Ngiboruok; Simuruok.