Giam Lintah Bukit
Scientific name: Hopea helferi
Family name: Dipterocarpaceae
Giam Lintah Bukit trees in Taman Tugu
The Giam Lintah Bukit tree is an indigenous rainforest tree that are amongst the 4,100 trees added to the Taman Tugu site, selected in collaboration with Forest Research Institute of Malaysia (“FRIM”) and Malaysian Nature Society (“MNS”).
The Giam Lintah Bukit is an evergreen tree, up to 30m tall. Its bark is pale to dark brown which is smooth when young and turns flaky as it ages. Its Leaves are oblong-lanceolate (10 – 24m long and 4 – 8cm wide) with no domatia. The base of its leaves are slightly heart shaped and often slightly asymmetric. Mature leaves is leathery, dark green and with dense covering of cream-coloured scales on the underside of the leaves. Its leaves are mostly smooth except for the brownish hairs on the veins has brown hairs. There are 12 – 16 pairs of secondary veins and ladder-like tertiary veins. Petiole is 0.5 – 1cm long and covered with soft hairs. Stipules is about 0.9cm long and falls off early. Its flowers occur in a 2-branched cluster, where each branch bears about 10 flowers, blooming in the same direction. Its flowers are cream to yellowish and covered in soft hairs. Its fruits have 2 long spatula-shaped wings (up to 6 cm long and 1.5cm wide) and 3 shorter wings (0.5cm long and 0.3cm wide). The nut within the fruit is ovoid (0.8cm long and 0.5cm wide) with a short tip and partially enclosed by the wings.
The tree is utilised locally for its resin which used for making fire torches and also used in the manufacture of varnish. The wood produced from this tree is cultivated commercially as a valuable timber that use for making boat and furniture.
It is found in semi-evergreen forest, on hill slopes. It is recorded to be widely distributed throughout Malaysia, Myanmar, Thailand, Cambodia, Vietnam, Indonesia, and India.