Dyera polyphylla (PROSEA)
Introduction |
Dyera polyphylla (Miq.) v. Steenis
- Protologue: Blumea 14: 316 (1966).
Synonyms
Alstonia polyphylla Miq. (1861), Dyera lowii Hook.f. (1882), Dyera borneensis Baillon (1898).
Vernacular names
- Swamp jelutong (En)
- Indonesia: jelutung paya (general), gapuk (Sumatra), pantung (Borneo)
- Malaysia: jelutong paya (Sabah, Sarawak).
Distribution
Sumatra, Borneo and intervening islands.
Uses
As given for the genus.
Observations
A medium-sized to fairly large tree, up to 35 m tall, bole straight, columnar, up to 95 cm in diameter, without buttresses; leaves spatulate-elliptical, cuneate at base and decurrent on the petiole, rounded to slightly emarginate at apex, secondary veins close-set. D. polyphylla is found in swamp forest, peat-swamp forest, and on groundwater podzols in kerangas, at low altitudes. The density of the wood is 270-460 kg/m3at 15% moisture content.
Selected sources
26, 69, 77, 99, 105, 445, 668, 669, 703.
Rudjiman (general part, selection of species),
A. Martawijaya (properties),
N. Tonanon (wood anatomy)