The status of this species has not been resolved.

Common Name:

General Information

Sterculia macrophylla is a deciduous tree growing up to 40 metres tall. The bole can be 60 - 150cm in diameter, with large buttresses up to 3 metres high and 3 metres wide[].
The tree is harvested from the wild for local use of its wood and fibre.

Known Hazards

None known

Botanical References

Range

Southeast Asia - Thailand, Malaysia, Indonesia, Philippines.

Habitat

Primary and secondary forests at low elevations[, ].

Properties

Other Uses Rating
Habit	Deciduous Tree
Height	30.00 m
Cultivation Status	Wild

Cultivation Details

Not known

Edible Uses

Although we have seen no specific information for this species, the large seeds of many species in this genus are used for food. Usually cooked, they are rich in oil and have a flavour described by some as like peanuts[]. The ellipsoid seed is 10 - 23mm long[].

Medicinal

None known

Other Uses

A fibre obtained from the bark is used to make rope[]. Fairly strong, it has a tensile strength of 398 kilos per square centimetre[]. Wetting decreases the strength by 23%[].

Timber[].
We have no specific description for the wood of this species, but the following is a general description of the wood of Sterculia species in the Phillipines:-
The fresh wood is creamy white or very light gray or brown, but almost invariably staining to a silvery gray or a light brown; the sapwood is scarcely if at all distinguishable from the heartwood. The texture is coarse, spongy; the grain straight. The wood is soft to very soft; light to very light in weight; The durability is very poor; the wood being frequently attacked by beetles, though the heartwood, if seasoned rapidly and thoroughly, is somewhat better than the sapwood. Except for staining, the wood seasons well; it is very easy to work. Of low quality, it is used for cheap and temporary construction, box lumber, etc.; temporary mining timbers. It has been recommended for trial as match wood[].

Propagation

A physical dormancy caused by the hard seed coat of the mature seeds of many species in this genus can be overcome by scarifying the seed. This is carried out by cutting away or abrading some of the seed coat to allow the ingress of water, though great care must be taken not to damage the embryo[]. The aril surrounding the seed should also be removed - this is easiest when it has been softened through soaking in water[]. The seeds germinate optimally at temperatures between 20 - 30°c. They can be sown in a nursery seedbed or in containers. A germination rate of about 95%, occurring within about 2 weeks can be expected if the seed has been properly treated[].

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