Kokoona ochracea (Elm.) Merr., En. Philip. 2 (1923)

Synonyms
Ardisia ochracea Elm.

Diagnostics
Upper canopy tree up to 50 m tall and 84 cm dbh. Stipules very small. Leaves opposite, simple, penni-veined. Flowers ca. 7.3 mm in diameter, yellow-orange, placed in panicles. Fruits ca. 110 mm long, green-brown, elongate dehiscent capsules, filled with several wind dispersed, winged seeds.

Description
Tree 25-40(-50) m by 20-40(-84) cm diameter, rarely with buttresses up to c. 3 m tall. Leaves subcoriaceous to coriaceous, elliptic- or ovate-oblong, oblong-lanceolate, or lanceolate, 7.5-13.5 by 3.5-6 cm; base attenuate, obtuse or rounded; apex acute to acuminate, recurved downward; margins recurved, entire or repand, sometimes remotely crenulate; nerves 5-8 pairs, slightly elevated on both surfaces, obliquely spreading towards the margin and then upward; petiole c. 1 cm. Panicles up to 12 cm, solitary or paired. Peduncle up to 4 cm. Pedicels very short, sometimes up to c. 2 mm, articulated at the base. Bracts small, deltoid and acute. Flowers yellowish to pale brown-orange. Calyx lobes semi-orbicular or +/- transverse-oblong, 0.5 by 1 mm, slightly erose. Petals fleshy, ovate rarely elliptic, 3.5-4.5 by 2.5-3 mm, the margin thin and transparent. Filaments c. 1 mm; anthers including the connective c. 2.5 by 1 mm, the anther proper subglobose, cordate at the base, the lengthened connective stout, c. 1.5 mm long. Pistil conical, c. 1.5 mm, gradually narrowed upward into the obscure style; stigma broad-oblong cylindric, c. 0.7 mm long, slightly 3-lobed or obtuse at the apex. Ovary with (8-)10 ovules in each cell. [from Flora Malesiana]

Ecology
In undisturbed forests up to 800 m altitude. Found throughout the forest from alluvial to hillsides and ridges. Occasionally also on limestone.

Uses
The bark contains inflammable oil.

Distribution
Peninsular Malaysia, Borneo and the Philippines.

Local names
Borneo: Batubagalang, Kayu api, Kayu gerit, Kayu minyak, Kelaputiung, Sepetir paya, Ubar.