Common Name:

General Information

Dysoxylum cauliflorum is a tree that usually grows from 5 - 20 metres tall, though sometimes can reach 30 metres. The straight bole can be clear of branches for up to 16 metres in larger trees, it is up to 50cm in diameter, sometimes fluted or with small buttresses up to 60cm high, 30cm outwards and 5cm wide[].
The tree is the source of a good quality timber, known as 'jarum-jarum' in southeast Asia, that is harvested from the wild for local use and for trade[].

Known Hazards

None known

Botanical References

,

Range

E. Asia - ?Myanmar, Thailand, Cambodia, Vietnam, Malaysia, Indonesia, Philippines[].

Habitat

Lowland, hill and lower montane rain forests; including ridge forests, freshwater swamp forests and heath forests; at elevations up to 1,500 metres[].

Properties

Other Uses Rating
Habit	Tree
Height	18.00 m
Cultivation Status	Wild

Cultivation Details

The plant is cauliflorous, producing its flowers along the wood of the stems and branches[].
We have no specific information for this species, but most members of the genus are dioecious, in which case both male and female forms need to be grown if fruit and seed are required[].

Edible Uses

None known

Medicinal

None known

Other Uses

The sapwood is straw coloured[]. The wood is suitable for medium to heavy construction work, planking, flooring, panelling, and for manufacturing high grade furniture, wood pallets, veneer and plywood[].

We have no more specific information on the wood of this species, but it is one of a group of species that are the source of a commercial timber known in the trade as 'jarum-jarum'. The general description of jarum-jarum is as follows:-
The heartwood is orange-red to brick red when fresh,darkening on exposure; it is clearly demarcated from the yellow sapwood. The texture is moderately coarse but uneven due to the abundant of parenchyma; the grain is straight, interlocked, wavy or irregular; there is a watersilk marking on flat-sawn surfaces due to the parenchyma bands. The wood is moderately hard to hard. It is used for purposes such as flooring, furniture, wall panelling, solid door construction, veneer and plywood[].

Propagation

Seed -

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