Calophyllum macrocarpum Hook.f., Fl. Brit. Ind. 1 (1874)
Latin for 'large or elongate fruits'.
Calophyllum horstii Boerl.
Calysaccion horstii Teijsm. & Binn.
Emergent tree up to 59 m tall and 109 cm dbh. Stem with white to yellow
latex. Leaves opposite, simple, penni-veined, secondary veins placed close
together, glabrous. Flowers ca. 25 mm diameter, white. Fruits ca. 71 mm long,
green, fleshy drupe.
In undisturbed mixed dipterocarp and keranga forests up to 600 m altitude.
Usually on alluvial sites and along rivers with sandy to clay soils. In
secondary forests usually present as a pre-disturbance remnant tree.
The wood is used for construction purposes. The fruit is edible.
Thailand, Peninsular Malaysia, Sumatra, Borneo (Sarawak, Brunei, Sabah,
West-, Central- and East-Kalimantan).
Borneo: Bintangor, Bunut, Buru, Danko.