Record Number
3586
PROSEA Handbook Number
5(1): Timber trees; Major commercial timbers
Taxon
Hopea gregaria v. Slooten
This article should be read together with the article on the genus: Hopea (giam) in the Handbook volume indicated above in this database.
This article should be read together with the article on the genus: Hopea (giam) in the Handbook volume indicated above in this database.
Protologue
Reinwardtia 2: 21, f. 7 (1952).
Vernacular Names
Indonesia: pooti (Sulawesi), mandonor (Biak), kamura (Aru).
Distribution
South-eastern Sulawesi, possibly also on the Aru Islands and on Japen Island.
Uses
The timber is used as giam (sometimes traded as balau). Small quantities of a clear, white or yellow resin are produced by the tree and used locally.
Observations
A medium-sized to fairly large tree of up to 35 m tall, bole straight and with small buttresses; young parts buff caducous puberulent, more or less persistently on panicles, calyx and parts of petals exposed in bud; leaves lanceolate-falcate to ovate, 6-13 cm 2.5-6.5 cm, thin leathery, with dull, minutely stellate undersurface, base cuneate, unequal, acumen slender, tapering, up to 1.5 cm long, venation scalariform, midrib slightly raised above, secondary veins 7-10 pairs, slender but distinctly elevated beneath; stamens 15, in 3 subequal verticils, ovary and stylopodium broadly pear-shaped, somewhat abruptly tapering to the short columnar style; fruit calyx lobes unequal but the 2 longer ones only slightly longer than the nut and becoming reflexed. Hopea gregaria occurs often gregariously in primary forest on well-drained, hilly or steep places on stony or clayey soil at low altitudes. The density of the wood is 990-1110 kg/m3 at 15% moisture content.
Image
 | Hopea gregaria v. Slooten - 1, flowering twig; 2, fruiting twig; 3, fruit |
Selected Sources
[258]Fundter, J.M., 1982. Names for dipterocarp timbers and trees from Asia. Pudoc, Wageningen. 251 pp.
[461]Martawijaya, A. et al., 1986. Indonesian wood atlas. Vol. 1. Forestry Products and Development Centre, Bogor. 166 pp.
[555]Prawira, S.A., 1972. Revision I. List of tree species, collected in Southeast Sulawesi and surroundings. Laporan No 151. Lembaga Penelitian Hutan, Bogor. 113 pp.
[744]van Slooten, D.F., 1952. Sertulum dipterocarpacearum Malayensium V. The Dipterocarpaceae of eastern Malaysia (Celebes, the Moluccas, and New Guinea). Reinwardtia 2: 1–68.
[748]van Steenis, C.G.G.J. & de Wilde, W.J.J.O. (Editors), 1950–. Flora Malesiana. Kluwer Academic Publishers, Dordrecht, Boston, London.
[461]Martawijaya, A. et al., 1986. Indonesian wood atlas. Vol. 1. Forestry Products and Development Centre, Bogor. 166 pp.
[555]Prawira, S.A., 1972. Revision I. List of tree species, collected in Southeast Sulawesi and surroundings. Laporan No 151. Lembaga Penelitian Hutan, Bogor. 113 pp.
[744]van Slooten, D.F., 1952. Sertulum dipterocarpacearum Malayensium V. The Dipterocarpaceae of eastern Malaysia (Celebes, the Moluccas, and New Guinea). Reinwardtia 2: 1–68.
[748]van Steenis, C.G.G.J. & de Wilde, W.J.J.O. (Editors), 1950–. Flora Malesiana. Kluwer Academic Publishers, Dordrecht, Boston, London.
Author(s)
K.M. Kochummen, F.T. Frietema
Correct Citation of this Article
Kochummen, K.M. & Frietema, F.T., 1993. Hopea gregaria v. Slooten. In: Soerianegara, I. and Lemmens, R.H.M.J. (Editors): Plant Resources of South-East Asia No 5(1): Timber trees; Major commercial timbers. PROSEA Foundation, Bogor, Indonesia. Database record: prota4u.org/prosea
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