Vatica venulosa (PROSEA)
Jump to navigation
Jump to search
Introduction |
Vatica venulosa Blume
- Protologue: Mus. Bot. Lugd.-Bat. 2: 32 (1852).
Vernacular names
- Indonesia: resak seluang, siloki (Sumatra), resak puteh (Bangka)
- Malaysia: resak letop (Peninsular), resak banka (Sabah).
Distribution
Peninsular Malaysia, Sumatra, Bangka, Belitung, western Java and Borneo.
Uses
The timber is used as resak and suitable for constructional work in contact with the ground or weather.
Observations
- A small to medium-sized tree, up to 25 m tall with straight or slightly bent cylindrical bole up to 40 cm diameter and small buttresses.
- Leaves elliptical to ovate-lanceolate, 4-12 cm × 1.5-5 cm, with 7-12 pairs of secondary veins, glabrescent, petiole 5-9 mm long.
- Inflorescences up to 3(-7) cm long.
- Flower buds up to 13 mm long.
- Nut globose, up to 10 mm long, completely hidden by 5 subequal fruit calyx lobes revolute at base.
Two subspecies are distinguished:
- subsp. venulosa (synonym: Vatica bancana R. Scheffer) occurring very local on river banks and in freshwater swamps;
- subsp. simalurensis (v. Slooten) P. Ashton (synonym: Vatica simalurensis v. Slooten) differing in larger leaves with more secondary veins and longer petioles, and longer inflorescences, confined to western Sumatra.
The wood is heavy with a density of 660-970 kg/m3 at 15% moisture content.
Selected sources
30, 89, 100, 183, 253, 318, 425, 461, 677, 748.
Main genus page
Authors
- R.H.M.J. Lemmens (selection of species)