Premna serratifolia L., Mant. Pl. 2 (1771)
Latin for 'toothed leaf'.

Description
Shrub up to 9 m tall and 25 cm dbh. Stipules absent. Leaves opposite, simple, tripli-veined, glabrous, base sometimes cordate, leaf sometimes with toothed margin. Flowers ca. 4 mm diameter, white, placed in panicles. Fruits ca. 6 mm diameter, blue-purple, drupes.

Ecology
In secondary regrowth, especially along the beach, but also more inland up to 300 m altitude. Often along rivers and streams in inland locations. On sandy soils and limestone.

Distribution
India, Sri Lanka, southern China and southern Japan to New Guinea, Australia and the Pacific. In Borneo collected throughout the island.

Local names in Borneo
Adau, Aldas, Baloh, Buas-buas, Buas laut, Kayu buas, Laban putih, Lambuas, Singkel.