Moultonianthus leembruggianus
(Boerl. & Koord.) Steenis, Bull. Bot. Gard. Buitzg.
Ser. III, 17 (1948)
Named after W.G. Leembruggen [1845-1913], a Dutch curator at Bogor
Herbarium.
Synonyms
Erismanthus leembruggianus Boerl. & Koord.
Moultonianthus borneensis Merr.
Description
Sub-canopy tree up to 27 m tall and 32 cm dbh. Stipules leaf-like, ca. 30 mm
long. Leaves opposite, simple, penni-veined, glabrous, margins slightly toothed.
Flowers ca. 14 mm diameter, white-yellow, placed in long thyrses. Fruits ca. 11
mm diameter, green-brown, hairy, dehiscent capsules.
Ecology
In undisturbed mixed dipterocarp forests up to 600 m altitude. Often along
rivers, but also common on lower hillsides. On clay soils. In secondary forests
usually present as a pre-disturbance remnant tree.
Distribution
Sumatra(?), Borneo (Sarawak, Brunei, Sabah, West-, Central- and East
Kalimantan), Philippines.
Local names
Borneo: Pangkal telinga gajah, Ulas, Ulas bukit, Ulas-ulas.
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