Ryparosa kostermansii Sleum.,
Blumea 7 (1954)
Named after A.J.G.H. Kostermans [1907-?], a Dutch botanist.
Description
Mid-canopy tree up to 31 m tall and 36 cm dbh. Stipules dropped early.
Leaves alternate, simple, tripli-veined, glabrous, whitish below. Flowers ca. 3
mm diameter, green-white-yellow, placed in racemes. Fruits ca. 19 mm diameter,
green-yellow, berries with whitish pulp.
Ecology
In undisturbed mixed dipterocarp forests up to 800 m altitude. Usually on
hillsides and ridges with clay to sandy soils. In secondary forests usually
present as a pre-disturbance remnant tree.
Uses
The fruit is edible.
Distribution
Borneo (throughout the island).
Local names
Indonesia: Berukun, Betikel, Dayu, Kakapasan, Lembuan.
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