Alangium meyeri var. macilentum, W. J. de Wilde & Duyfjes, 2017

Dewilde, W. J. J. O. & Duyfjes, B. E. E., 2017, Taxonomy of Alangium section Conostigma (Alangiaceae), Blumea 62 (1), pp. 29-46 : 37-38

1. Twigs 1.5–2(–2.5) mm diam. Lamina 8–15 cm long, veins 6–8 on each side. Corolla in bud c. 8 mm long.........................................b. var. macilentum a. var. meyeri

Tree 10–25 m tall; twigs 2–4 mm diam. Lamina 10–18 cm long, veins 6–10 on each side. Inflorescences 2–10-flowered. Corolla in bud 10–14 mm long. Fruits 2 –4 per infructescence, 20–25 mm long, glabrescent.

Distribution — Sumatra, Peninsular Malaysia (Johor, Selangor, Pahang), Singapore, Borneo ( Brunei, Sarawak, Sabah, E Kalimantan), Philippines.

Habitat & Ecology — Primary and secondary lowland forest, mixed dipterocarp forest, mountain forest, hillside and steep slopes; black and brown soil, granite, limestone, sandy loam soil and loam soil with lime; from sea level to 1000(–1500) m altitude; flowering and fruiting all year round.

Field-notes — Bark smooth, greyish; thin buttresses record- ed; old fruit red and also fruit blackish when ripe, edible, sour. Argent et al. SAN 108281 observed: “flowers white, visited by butterflies which probed successfully while bees could not; strongly and sweetly scented”.

Vernacular names — Bantoenan,Bidara oeding,Kaju manan, Taramajang oeding (all Sumatra); Kayu Tass (Malay), Ladjik, Ridan, Tengalim (all Kalimantan), Midung (Iban), Indakarapus (Dusun).