This species closely resembles Durio graveolens, but differs in the colour of the fruit. Moreover, the fruit of Durio graveolens opens while still on the tree showing the dark red arils, whereas the fruit of this species drops unopened and has dark yellow arils[].

Common Name:

General Information

Durio dulcis is a fairly large tree that can grow up to 40 metres tall, with a bole that can be up to 80 cm in diameter and large buttresses up to 4 metres high[].
The edible fruit is gathered from the wild and sold in local and urban markets, but the species is rarely planted because of its short fruiting period[]. The tree is also harvested for its wood.
Forest clearance and degradation because of agriculture and logging are major threats to the habitat[]. In addition this species is suffering from some genetic erosion[]. Consequently, the tree has been classified as 'Vulnerable' in the IUCN Red List of Threatened Species(2009)[].

Known Hazards

None known

Botanical References

Range

Southeast Asia - Malaysia, Indonesia.

Habitat

Lowland mixed dipterocarp forest, at elevations up to 800 metres[, ].

Properties

Conservation Status	Vulnerable
Edibility Rating
Other Uses Rating
Habit	Tree
Height	30.00 m
Cultivation Status	Wild

Cultivation Details

A tree of the moist lowland tropics, it is found at elevations up to 800 metres[].
Plants are found in the wild on sandy clay soils and friable clay loam[].
The flowers are produced in short inflorescences that are clustered on older branches[].

Edible Uses

Fruit. The aril around the seeds is very sweet and fragrant[]. An attractive, dark purplish-red colour when fully ripe, with a bright yellow aril that has a soft, creamy texture and a delicious flavour reminiscent of pineapple cream without the acidity[]. Very strong smelling[]. An extremely offensive odour[]. This species of durian has the sweetest tasting and most ill-smelling fruits of the genus[]. The globose fruit is up to 15 cm in diameter[]. The fruit case is dark red to dark brown-red with slender 15-20 mm long spines, inside are a number of brown seeds each completely covered by a dark yellow tasty aril[].

Seed - cooked[]. They can be boiled or roasted[].

Medicinal

None known

Other Uses

The heartwood is pink-brown[]. The wood is probably one of the most important sources of durian timber in Sarawak[]. The relatively durable wood is used in interior construction and for making cheaper types of furniture and packing cases[].
We do not have any more information on the wood of this species. However, a general description of the wood for species in this genus is as follows:-
The heartwood is pink-brown, red, or deep red-brown; it is not always sharply demarcated from the white, pale yellow-brown or light reddish-yellow sapwood. The texture is coarse; the grain straight to interlocked; somewhat lustrous; it is reported to have a foetid odour. The wood is not durable, and not resistant to termite attack; the sapwood is prone to powder-post beetle attack. It dries rapidly, but thin boards may tend to cup. The wood saws easily and generally dresses smoothly; nailing qualities are good. It is used for purposes such as furniture components, veneer and plywood, light construction[].

Propagation

Seed -

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