Cotylelobium burckii (PROSEA)
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Introduction |
Cotylelobium burckii (Heim) Heim
- Protologue: Rech. Dipt.: 122 (1892).
Synonyms
- Cotylelobium flavum Pierre (1891),
- Cotylelobium asperum v. Slooten (1929),
- Sunaptea burckii (Heim) Kosterm. (1987).
Vernacular names
- Brunei: resak durian
- Indonesia: giam durian, resak bukit tembaga, resak babalok (Kalimantan)
- Malaysia: resak badang, resak durian, resak penyau (Sarawak).
Distribution
Borneo (Kalimantan, Sarawak and Brunei).
Uses
The wood is used as resak and is especially suitable for making boats.
Observations
- A medium-sized to fairly large tree up to 40 m tall, bole frequently crooked, up to 65 cm in diameter.
- Leaves oblong-lanceolate, 8-15 cm × 3-5 cm, margin prominently revolute, lower surface evenly densely ochrous tomentose, the intramarginal vein just within the margin
- 2 larger fruit calyx lobes up to 6.5 cm × 1.8 cm.
C. burckii is locally common on giant podzols or poor sandy soils, often near the coast, and in heath forest at low altitudes. The density of the wood is 865-1160 kg/m3 at 15% moisture content.
Selected sources
30, 89, 102, 258, 382, 739, 748.
Main genus page
Authors
- C. Niyomdham