Mesua borneensis (P.F.Stevens)
Latin for 'from Borneo'.
Kayea borneensis P.F.Stevens
Mid-canopy tree up to 39 m tall and 70 cm dbh. Stem with white to yellow latex.
Leaves opposite, simple, penni-veined, glabrous, conspicuous secondary venation,
perpendicular to midrib. Flowers ca. 32 mm diameter, white-yellow, in dense
bundles in leaf axils. Fruits ca. 40 mm diameter, reddish-brown, fleshy capsule.
In undisturbed mixed dipterocarp and sub-montane forests up to 1100 m
altitude. Mostly on hillsides and ridges with sandy to clay soils, also on
limestone. In secondary forests usually present as a pre-disturbance remnant
Borneo (Sarawak, Sabah, East-Kalimantan).
Borneo: Bintangor batu, Mergasing.