Calophyllum obliquinervium (PROSEA)
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Introduction |
Calophyllum obliquinervium Merr.
- Protologue: Philipp. Journ. Sc. 20: 409 (1922).
Synonyms
- Calophyllum benjamina Ridley (1938).
Vernacular names
- Brunei: bintangor kuning, kayu api
- Philippines: dangkalan (general).
Distribution
The Philippines (Luzon, Palawan, Calamian, Panay, Samar) and northern Borneo (Brunei, Sabah).
Uses
The timber is used as bintangor for building and other purposes.
Observations
- A medium-sized to fairly large tree up to 40 m tall, with bole up to 65 cm in diameter, without buttresses but often with pneumatophores; twigs 4-angled or 4-alate, terminal bud plump, 1.5-2.5 mm long.
- Leaves elliptical to subobovate, (4-)6-14.5 cm long, cuneate at base, acute or acuminate at apex, with 9-19 veins per 5 mm.
- Inflorescences terminal and in adjacent leaf axils, usually unbranched, 7-13-flowered; flowers with 8 or 10 tepals.
- Fruit spherical to ellipsoid, 9-13 mm long, with thin outer layer having air spaces under the skin, bluish or reddish-black.
C. obliquinervium has a wide ecological range; it grows in many types of lowland forest, often in peat swamps and also on the seashore. In the Philippines it is a rare tree. The wood is reddish-brown and has a density of about 800 kg/m3 at 15% moisture content.
Selected sources
33, 100, 484, 648.
Main genus page
Authors
R.H.M.J. Lemmens (selection of species)