Record Number
3853
PROSEA Handbook Number
5(1): Timber trees; Major commercial timbers
Taxon
Shorea siamensis Miq.
This article should be read together with the article on the genus: Shorea (balau and red balau) in the Handbook volume indicated above in this database.
This article should be read together with the article on the genus: Shorea (balau and red balau) in the Handbook volume indicated above in this database.
Protologue
Ann. Mus. Bot. Lugd.-Bat. 1: 214 (1864).
Synonyms
Pentacme suavis A.DC. (1868), Pentacme siamensis (Miq.) Kurz (1870), Pentacme malayana King (1893).
Vernacular Names
Malaysia: meranti temak, temak batu (Peninsular). Burma: eng-yin. Cambodia: phchök rèang', rèang' phnum'. Laos: h'ang, ph'au. Thailand: rang, rang khao (general), lak pao (northern). Vietnam: c[af] ch[aws]c xanh, c[aar]m li[ee]n.
Distribution
Throughout Indo-China towards peninsular Thailand and north-western Peninsular Malaysia.
Uses
The timber is used as balau. The bark and wood contain respectively 9% and 6% tannin, which is too little to be of importance.
Observations
A medium-sized deciduous tree 20—25 m tall with bole up to 60 cm in diameter, buttressed, bark V-fissured; leaves broadly ovate-oblong, papery, 9—12 cm 6—13 cm, with a deeply cordate to cuneate base; petals broadly elliptical, stamens 15, glabrous, with linear anthers; fruit calyx lobes unequal, larger three up to 12 cm 1.3 cm. Shorea siamensis occurs in dry dipterocarp forest overlying poor and rocky or limestone soils from sea-level to over 1000 m altitude. The density of the wood is 700—1090 kg/m3 at 15% moisture content.
Selected Sources
[102]Burkill, I.H., 1966. A dictionary of the economic products of the Malay Peninsula. 2nd edition. Ministry of Agriculture and Co-operatives, Kuala Lumpur. Vol. 1 (A–H) pp. 1–1240. Vol. 2 (I–Z) pp. 1241–2444.
[258]Fundter, J.M., 1982. Names for dipterocarp timbers and trees from Asia. Pudoc, Wageningen. 251 pp.
[628]Smitinand, T., Santisuk, T. & Phengklai, C., 1980. The manual of Dipterocarpaceae of mainland South-East Asia. Thai Forestry Bulletin 12: 1–110.
[677]Symington, C.F., 1941. Foresters' manual of dipterocarps. Malayan Forest Records No 16. Forest Department, Kuala Lumpur. pp. xliii + 244.
[748]van Steenis, C.G.G.J. & de Wilde, W.J.J.O. (Editors), 1950–. Flora Malesiana. Kluwer Academic Publishers, Dordrecht, Boston, London.
[258]Fundter, J.M., 1982. Names for dipterocarp timbers and trees from Asia. Pudoc, Wageningen. 251 pp.
[628]Smitinand, T., Santisuk, T. & Phengklai, C., 1980. The manual of Dipterocarpaceae of mainland South-East Asia. Thai Forestry Bulletin 12: 1–110.
[677]Symington, C.F., 1941. Foresters' manual of dipterocarps. Malayan Forest Records No 16. Forest Department, Kuala Lumpur. pp. xliii + 244.
[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)
M.S.M. Sosef
Correct Citation of this Article
Sosef, M.S.M., 1993. Shorea siamensis Miq.. 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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