Scientific name: Horsfieldia irya
Family name: Myristicaceae
Penarahan Pianggu trees in Taman Tugu
The Penarahan Pianggu tree is an indigenous rainforest tree 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”). This is one of the species being added which is considered as ‘Critically Endangered’ on the International Union for Conservation of Nature (“IUCN”) Red List of Threatened Species. This species is being threatened due to deforestation.
This tree is a large-sized tree that can grow 40m tall with prop-roots, and buttress roots that are 3m tall. The leaves are alternately arranged with stalked leaves that have membranous leaf blades that are often curved towards the tip. The leaves are elliptic-oblong to lance-shaped with irregular white marks above. The yellow flowers develop in flowering shoots. The male flowers are smaller than female flowers. Its fruits are round, hairless, finely granular and yellowish-orange. Its round seeds are covered with orange-red to red coverings.
The fruits are edible and the decoction of the bark can be used as a gargle for sore throats. These trees are also commonly planted as ornamental plants.
These trees grow in primary and secondary forests, coastal swamps or riverine areas, up to 450m altitudes. These trees are native to Malaysia, Singapore, Sumatera, and Borneo.