Ixora caudata Bremek., Bull. Jard. Bot. Buitenz. Ser. 3, 14 (1937)

Latin for 'tailed or pointed', referring to the long leaf tip.

Shrub up to 8 m tall and 13 cm dbh. Stipules ca. 4 mm long, dropped early. Leaves opposite, simple, penni-veined, glabrous, often with very long and narrow leaf tip. Flowers ca. 27 mm diameter, orange-red, with very long corolla tube, flowers placed in panicles. Fruits ca. 11 mm diameter, red-purple, berries.

In undisturbed mixed dipterocarp, keranga and sub-montane forests up to 1000 m altitude. Usually on hillsides and ridges. On sandy to clay soils, also on limestone. In secondary forests usually present as a pre-disturbance remnant.

The root is used as an ingredient for an aphrodisiac.

Borneo (Sarawak, Brunei, Sabah, East-Kalimantan).

Local names
Borneo: Bunga siantan, Gagansai, Gegansai,  Gergangsai, Jarum hutan, Jewa mudong.