Parashorea aptera (PROSEA)
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Introduction |
Parashorea aptera v. Slooten
- Protologue: Bull. Jard. Bot. Buitenzorg, sér. 3, 8: 377, f. 3 (1927).
Vernacular names
- Indonesia: balau tembalun (general), meranti horsik (eastern Sumatra), meranti merebu (western Sumatra).
Distribution
Sumatra.
Uses
The timber is used as gerutu.
Observations
- A medium-sized tree up to 32 m tall, bole straight, cylindrical, branchless for up to 24 m and with prominent buttresses.
- Leaves ovate-lanceolate, 7-17 cm × 2.8-6 cm, dull and more or less silvery stellate puberulent beneath, secondary veins 6-9(-10) pairs, petiole 9-18 mm long, stipule scars short.
- Fruit calyx lobes shorter than the nut, linear-lanceolate, subequal, up to 14 mm × 3 mm, nut subglobose, up to 2.5 cm in diameter, densely verrucose.
P. aptera occurs locally abundantly and scattered or sometimes gregariously on flat or hilly country and usually on well-drained, sandy but sometimes on periodically inundated and clayey soils up to 350 m altitude. The density of the wood is 725-1090 kg/m3 at 15% moisture content.
Selected sources
258, 738, 746, 748.
Main genus page
Authors
- W.M. America (selection of species)