Gymnostoma nobile (Whitmore) L.A.S. Johnson, J. Adel. Bot. Gdn. 6 (1982)

Latin for 'noble', referring to its graceful growth form.

Synonyms
Casuarina nobilis Whitmore

Description
Mid-canopy tree up to 40 m tall and 50 cm dbh. Twigs needle-shaped with a few lateral branches. Leaves scale-like. Young inflorescences in small cone-like structure, female ones developing into rounded cones of ca. 22 mm long.

Ecology
Mostly in keranga or peat swamp forests up to 1300 m altitude. On rather poor sandy to rocky soils, also on ultrabasic.

Uses
Commonly planted at roadsides and in gardens. The timber is useful for construction and fuel.

Distribution
Borneo (Sarawak, Brunei, Sabah, West-, Central-, South- and East-Kalimantan) and the Philippines.

Local names
Borneo: Amun, Embun, Kitan, Rhu, Rhu ronang, Sempilau laut.