Common Name:

General Information

Cotylelobium lanceolatum is a tree with a rather small, hemispherical crown growing up to 45 metres tall. The bole is frequently twisted with low buttresses and can be up to 125cm in diameter[, ].
The tree is harvested from the wild for its timber.
The plant is widespread but populations are localised and it has a declining habitat[]. It is classified as 'Vulnerable' in the IUCN Red List of Threatened Species(2011)[].

Known Hazards

None known

Botanical References

Range

Southeast Asia - Peninsular Thailand, Malaysia, Indonesia.

Habitat

A main canopy tree of dry acid soils, especially on coastal hills, but also on peaty soils over limestone and
mountain ridges inland to 1,500 metres[]. Podzolic and sandstone soils or on peat overlying limestone, often in heath forest[].

Properties

Conservation Status	Vulnerable
Edibility Rating
Other Uses Rating
Habit	Tree
Height	35.00 m
Cultivation Status	Wild

Cultivation Details

A plant of the moist to wet, lowland tropics, where it is found at elevations up to 1,500 metres. It grows best in areas where annual daytime temperatures are within the range 19 - 34°c, but can tolerate 8 - 38°c[]. It prefers a mean annual rainfall in the range 2,100 - 2,700mm, but tolerates 1,800 - 3,000mm[].
Grows best in a sunny position[]. Found in the wild on well-drained, light soils of low fertility[]. Prefers a pH in the range 4 - 4.5, tolerating 3.7 - 5[].

Edible Uses

The bark is used locally to prevent frothing in sweet palm juice and to arrest fermentation of toddy and local wine[].

Medicinal

None known

Other Uses

The wood is heavy, hard and durable[, ]. It is used for piling (also in contact with ground and water), house construction, bridges, ships keels and ribs), heavy-duty flooring, turnery, cabinet work and railway sleepers, while less heavy timber is used for furniture, package and pallets etc[].
We have no more information on the wood of this species. However, the following is a general description of the wood for members of this genus;-
The heartwood is yellowish when fresh, turning light to deep red-brown upon exposure; it is generally not sharply demarcated from the lighter coloured sapwood. The texture is rather fine and even; the grain straight or shallowly interlocked; not lustrous; there is no distinctive taste or odour when dry. The heartwood, particularly that of the denser species, is rated as durable to very durable; with a good resistance to termites. It is generally reported to air season slowly, but with some warp and checking. Philippine species are reported to dry well with little degrade. The wood is said to be difficult to saw because of clogging due to gummy resins, otherwise it machines well to a smooth finish; turns well; there is some dulling of cutter blades due to silica in the wood. The wood is used for purposes such as turnery, heavy construction, mining timbers, railroad crossties, boat construction; it is also suggested for flooring, interior joinery, and cabinetwork[].

Propagation

Seed -

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