Vatica stapfiana (PROSEA)
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Introduction |
Vatica stapfiana (King) v. Slooten
- Protologue: Bull. Jard. Bot. Buitenzorg, sér. 3, 9: 129 (1927).
Synonyms
- Pachynocarpus stapfianus King (1893).
Vernacular names
- Malaysia: resak mempening, resak laru
- Thailand: sak (Ranong).
Distribution
Cambodia, peninsular Thailand, Peninsular Malaysia and Sumatra.
Uses
The timber is used as resak.
Observations
- A small to medium-sized tree, rarely exceeding 20 m tall with bole rarely exceeding 35 cm in diameter.
- Leaves elliptical-obovate, 12-25 cm × 5-12 cm, thickly leathery, with 7-9(-15) pairs of secondary veins, sparsely hairy or glabrescent beneath, petiole 17-30 mm long.
- Inflorescences somewhat congested and irregularly branched, up to 10 cm long.
- Flower buds up to 12 mm long.
- Nut ovoid, large, up to 40 mm long, with 5 equal fruit calyx lobes fused with the verrucose, corky pericarp.
V. stapfiana occurs scattered in lowland dipterocarp forest up to 500 m altitude, in valleys and on stream banks, as well as on hills. It is closely related to V. umbonata and seems to hybridize with it. The wood is fairly heavy, with an oven dry density of 550-880 kg/m3. See also the table on wood properties.
Selected sources
102, 235, 253, 417, 425, 508, 628, 677, 748.
Main genus page
Authors
- R.H.M.J. Lemmens (selection of species)