Shorea negrosensis (PROSEA)
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Introduction |
Shorea negrosensis Foxw.
- Protologue: Philipp. Journ. Sc. 6: 274, pl. 44 (1911).
Vernacular names
- Philippines: malatbang (Tagalog), manggachapui (Panay Bisaya), red lauan (general).
Distribution
Throughout the Philippines.
Uses
The timber is used as red meranti. It is reported that wood extractives are tumour-inhibiting. The bark contains 9-10% tannin, and may be used for tanning sole leather.
Observations
- A large tree up to 50 m tall, with bole branchless for 20-30 m and a diameter up to 200 cm, buttresses prominent.
- Leaves ovate to elliptical, thinly leathery, 6.5-17 cm × 3-7.5 cm, with (8-)11-15 pairs of secondary veins.
- Stamens about 48, anthers linear-oblong with short appendages, stylopodium indistinct.
- Larger fruit calyx lobes up to 7 cm × 1.3 cm.
S. negrosensis is common and occurs often gregarious in evergreen and seasonal dipterocarp forest at low altitudes. The density of the wood is 420-805 kg/m3 at 15% moisture content. See also the table on wood properties.
Selected sources
175, 579, 748.
Main genus page
Authors
M.S.M. Sosef (selection of species)