Pternandra coerulescens Jack, Malay Misc. 2, 7 (1822)

Synonyms
Ewyckia capitellata (Jack) Walp.
Ewyckia cyanea Blume
Ewyckia jackiana Walp.
Ewyckia latifolia (Blume) Triana
Ewyckia latifolia var. membranacea Blume
Ewyckia medinilliformis Naud.
Ewyckia paniculata Miq.
Memecylon oligoneuron var. maluense Mansf.
Pternandra caerulescens Jack
Pternandra capitellata Jack
Pternandra coerulescens var. capitellata (Jack) King
Pternandra coerulescens var. cyanea (Blume) Cogn.
Pternandra coerulescens var. jackiana (Walp.) Cl. in Hook.f.
Pternandra coerulescens var. membranacea (Blume) Furtado
Pternandra coerulescens var. paniculata (Miq.) King
Pternandra jackiana (Walp.) Ridl.
Pternandra paniculata (Miq.) Triana

Description
Understorey tree up to 18 m tall and 25 cm dbh. Stipules absent. Leaves opposite, simple, tripli-veined, tertiary venation visible, glabrous. Flowers ca.7 mm diameter, white to blue, placed in axillary bundles or short panicles. Fruits ca. 5 mm diameter, blue-purple, smooth berries.

Ecology
In undisturbed to disturbed mixed dipterocarp coastal, and (peat)-swamp forests and thickets up to 900 m altitude. Usually on alluvial sites, but also common on ridges and along roads. On sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is locally used. The fruits are pounded and used medicinally.

Distribution
Nicobar Islands, Thailand, Indo-China, Peninsular Malaysia, Sumatra, Borneo (throughout the island), Celebes, Moluccas, New Guinea, Australia.

Local names
Borneo: Benaun, Dulang-dulang, Kalomnayng, Loho, Mampulu, Puloh, Sari-sari, Sireh-sireh, Ubah meskalak.