Syzygium penibukanense Merr. & Perry, Mem. Amer. Ac. 18 (1939)
Latin for 'from Penibukan', a village near Gunung Kinabalu.

Synonyms
Eugenia penibukanense (Merr. & Perry) Burgess

Description
Understorey tree up to 13 m tall and 20 cm dbh. Stipules absent. Leaves opposite, simple, penni-veined, venation conspicuous, glabrous, leaf base cordate. Flowers ca. 60 mm diameter, red-purplish, with protruding stamens, flowers placed on stem in bundles. Fruits ca. 33 mm diameter, green-pink-reddish, fleshy berries.

Ecology
In undisturbed mixed dipterocarp and sub-montane forests up to 1700 m altitude. Usually on ridges, but also along rivers and streams. On sandy to ultramafic soils. In secondary forests usually present as a pre-disturbance remnant.

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