Parashorea parvifolia (PROSEA)
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Introduction |
Parashorea parvifolia Wyatt-Smith ex P. Ashton
- Protologue: Gard. Bull. Sing. 19: 264 (1962).
Vernacular names
- Brunei: urat mata bukit
- Malaysia: urat mata daun kechil (Malay, Sabah), lantan kuning (Iban, Sabah).
Distribution
Northern and eastern Borneo.
Uses
The timber is used as gerutu, sometimes as a substitute for teak for ship decks and flooring.
Observations
- A large to very large tree up to 60 m tall, bole straight, cylindrical, up to 145 cm in diameter, buttresses tall, up to 2.5 m high, bark surface dark brown, bark with a conspicuous black line between outer and inner bark, greenish-yellow at the cambium.
- Leaves elliptical to ovate, 6-9 cm × 3-4.5 cm, glabrous, secondary veins 8-10 pairs, curved, petiole 1-1.8 cm long, stipule scars slightly amplexicaul.
- Fruit calyx much longer than the nut, the lobes unequal, 3 larger ones up to 8.5 cm × 1.7 cm, 2 shorter ones up to 7.5 cm long, nut globose, 1.5 cm × 1.3 cm, strongly lenticelled, buff tomentose.
P. parvifolia occurs scattered and locally in mixed dipterocarp forest, often on clay-rich soil, on ridges up to 1350 m, rarely on river banks. The density of the wood is 640-880 kg/m3 at 15% moisture content.
Selected sources
30, 31, 100, 258, 476, 748.
Main genus page
Authors
- W.M. America (selection of species)