Parashorea smythiesii (PROSEA)
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Introduction |
Parashorea smythiesii Wyatt-Smith ex P. Ashton
- Protologue: Gard. Bull. Sing. 19: 266, pl. 7 (1962).
Vernacular names
- Brunei: urat mata daun puteh
- Malaysia: urat mata batu (Sabah), meruyun (Iban, Sarawak).
Distribution
Borneo.
Uses
The timber is used as gerutu, sometimes as a substitute for teak for ship decks and flooring.
Observations
- A large tree up to 55 m tall, bole up to 195 cm in diameter, plank buttresses up to 3.5 m high, bark surface smooth to flaky, grey, inner bark dull brown with a black line between inner and outer bark, yellow at the cambium.
- Leaves elliptical to ovate, 6-9 cm × 3-4.5 cm, scabrid pubescent on the veins beneath, secondary veins 8-10 pairs, curved, petiole 10-18 mm long, stipule scars short.
- Fruit calyx much longer than the nut, 3 larger lobes up to 8 cm × 1.7 cm, 2 shorter ones up to 7.5 cm long, nut ellipsoid, up to 13 mm × 9 mm, densely fulvous tomentose.
P. smythiesii occurs scattered but locally abundant in mixed dipterocarp forest at damp places near rivers, on clayey hillsides, or less often on steep well-drained hillsides up to 700 m altitude. The density of the wood is 625-865 kg/m3 at 15% moisture content.
Selected sources
30, 31, 100, 258, 476, 748.
Main genus page
Authors
- W.M. America (selection of species)