Ixora javanica DC, Prodr. 4 (1830)

Synonyms
Ixora amara Steud. [Spelling variant]
Ixora amoena Wall. ex G.Don
Ixora cyathosperma Wall. [Invalid]
Ixora javanica var. multinervia Corner
Ixora javanica var. paucinervia Corner
Ixora javanica var. retinervia Corner
Ixora mutabilis Reinw. ex Miq. [Invalid]
Ixora stricta var. amoena (Wall. ex G.Don) Ridl.
Ixora stricta var. blumeana Kurz
Ixora stricta var. javanica (Blume) Kuntze
Ixora stricta var. pubistyla S.Moore
Pavetta javanica Blume

Description
Understorey tree up to 11 m tall and 26 cm dbh. Stipules ca. 4 mm long, strongly pointed (needle-like). Leaves opposite, simple, penni-veined, glabrous. Flowers ca. 12 mm diameter, orange-red, with long corolla tube, flowers placed in panicles. Fruits ca. 10 mm diameter, reddish-purple, berries.

Ecology
In undisturbed mixed dipterocarp forests up to 700 m altitude. Usually on hillsides and ridges, but also on alluvial sites and along rivers and streams. Usually on clay rich soils, but also on sandy and ultramafic soils. In secondary forests usually present as a pre-disturbance remnant.

Uses
The flowers are locally used as a vegetable.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java, Borneo (throughout the island), Celebes.

Local names
Borneo: Boyu bukit, Bunga jarung.