Common Name:

General Information

Shorea foxworthyi is a tree with a dense, irregularly hemispherical crown; it can grow up to 60 metres tall. The straight, cylindrical bole can be up to 120cm in diameter with slender, spreading buttresses up to 3 metres high[, ].
The tree is a source of the timber 'Red Balau' and is commonly harvested from the wild for commercial use.
Logging is a serious threat because the reproductive cycle of the species exceeds the present cutting cycle. The plant is classified as 'Critically Endangered' in the IUCN Red List of Threatened Species(2013)[].

Known Hazards

None known

Botanical References

,

Range

Southeast Asia - Thailand, Malaysia, Brunei, Indonesia.

Habitat

An emergent tree, scattered, sometimes common, in mixed dipterocarp forests; growing in yellow clay and sandy clay soils on undulating land or hills; at elevations below 700 metres[, ].

Properties

Conservation Status	Critically Endangered
Other Uses Rating
Habit	Tree
Height	50.00 m
Growth Rate	Slow
Cultivation Status	Wild

Cultivation Details

Not known

Edible Uses

None known

Medicinal

None known

Other Uses

The wood is a source of the timber 'Red Balau'[]. We do not have a specific description, but the general description of red balau is as follows:-
The heartwood is light to dark red-brown, or purplish red-brown to grey-brown; it is clearly demarcated from the 3 - 8cm wide band of sapwood. The texture is medium; the grain interlocked. The wood is heavy, hard, moderately durable, being resistant to dry wood borers and moderately resistant to fungi and termites. The wood seasons slowly with a high risk of distortion and checking; once dry it is moderately stable in service. It has a fairly high blunting effect upon tools, power-driven stellite-tipped and tungsten carbite tools are recommended; nailing and screwing are good, but pre-boring is necessary to avoid splitting; gluing is correct for interior purposes[]. The wood has a variety of uses including light construction, flooring, exterior joinery, musical instruments, boxes and crates etc[].

Propagation

We have no specific information for this species - the information below is a general guide for the genus.

Seed - best sown as soon as possible. It does not require pre-treatment, but it is recommended to soak the seed for 12 hours prior to sowing[]. The seeds are sown in seedbeds, where they are covered with a mixture of sand and soil (1:1) or with a thin layer of sawdust[]. Germination of fresh seeds is usually good and rapid. About two weeks after germination, when the seedlings are 5 - 6cm tall, they are potted up into individual containers about 15 x 23cm with good drainage holes at their base[]. It is normally recommended to use a mixture of forest soil and sand (at a ratio of 3:1) as the potting medium in order to introduce the appropriate mycorrhiza to the roots. The seedlings are placed in 50 - 60% sunlight and watered twice daily[].
Seedlings can be planted out when 30 - 40cm tall - harden the seedlings off in full sunlight for one month prior to planting[].

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