Scientific name: Endospermum diadenum
Family name: Euphorbiaceae

Sesenduk trees in Taman Tugu
Many of the Sesenduk trees found within the site are native to Taman Tugu. It is the second most dominant soft wood tree species within our forest with a total of 34 trees preserved on site. These trees are estimated to be between 80 – 90 years old with heights up to 40m and trunk diameters ranging between 30 – 80cm.

Physical Features
The Sesenduk tree is a medium to large dioecious tree to 40 m high and a diameter of 3m with diffused dome-shaped crowns. The trunk is stout and columnar with thick equal to steep fluted buttresses. The bark of this species is grey-fawn, smooth, hooped and becoming regose to scaly patches. The leaves are cordate, clustered at the end of twigs. The leaf blades are rounded to strongly heart-shaped at the base while leaf stalks have two prominently raised glands at the junction of the leaf-blade. The flowers are erect spikes, protruding above the leaves. The male flowers are yellow with short side axes, 9-11 stamens and fragrant whilst the the female flowers are white with a 2-3 celled ovary and a stigma. The fruits are rounded or occasionally bilobed with fine velvety blue-green walls containing white coloured sap.

The is a light soft wood timber with an average density of about 400 kg per cubic m at 15% moisture content. It is suitable for a wide range of general utility purposes such as for making matchboxes, match splints, drawing boards, black boards and toys. It is a favourite timbers for making clogs, pattern making, trays, furniture parts, plywood chests, low grade coffins, disposable chop-sticks and other small articles.
Medicinally, the bark is used to cure dropsy and the roots are applied to heal injuries.
The Seseduk tree is also used for reforestation schemes to restore native woodland and to establish woodland. The tree is also planted as a shade tree.

The Sesenduk tree occurs in disturbed habitats (often along roadsides in logged forests, but also in scrub and burned forests) and open places of undisturbed mixed dipterocarp, freshwater swamp and keranga forests at elevations up to 900 metres. It is an opportunist species. Its occurrence characterises former shifting cultivation activities in the Malaysia. The tree is native to Malaysia, Singapore, Brunei, Indonesia, and Thailand.