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

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

Casuarina nobilis Whitmore

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.

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

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

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

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