Scientific Name
Alstonia iwahigensis Elmer
Synonyms
No documentation
Vernacular Name
| Malaysia | Tombalik (Bundu Tuhan, Sarawak); tambalait (Murut, Sabah)[1][2] |
| Indonesia | Pulai gunung, pelantan (East Kalimantan);[1] pilai, pulai basung, pulantan, selutong, tambirag, tomboilik [2]. |
Geographical Distributions
Alstonia iwahigensis is found in Brunei, Malaysia (northern Sarawak, Sabah), The Philippines (Palawan, Sulu Archipelago) and Indonesia (central and eastern Kalimantan). It is occurs on hillsides, both on sandy and loamy soils in primary and secondary forest at 20—500 m altitude. [1]
Botanical Description
A. iwahigensis is a member of the family Apocynaceae [3]. It is a medium-sized to large tree that can reach measuring up to 45(-70) m tall. [1]
The bole is tall, straight, fluted, measures up to 80 cm in diametre, straight buttresses which are measuring up to 6 m tall and spread out at the base for measures about 2 m. The outer bark is greyish, yellowish or dark brown, smooth to slightly rough while the inner bark is yellow or pale yellow and with copious latex. [1]
The leaves are in whorls of 4-7, elliptical to obovate, measuring 3.5-10 cm x 1.5-4 cm, obtuse or rounded apex, with 25-40 pairs of secondary veins while the petiole is measures (5-)10-20(-28) mm long. [1]
The inflorescence is usually form 2 bunches of dense and many-flowered clusters. The pedicel is measures 1-2 mm long. The sepal is variably pubescent while the petal is hairless outside except for the lobe margins. The follicles are smooth. [1]
Cultivation
No documentation
Chemical Constituent
No documentation
Plant Part Used
No documentation
Traditional Use
No documentation
Preclinical Data
No documentation
Clinical Data
No documentation
Poisonous Management
No documentation.
Line Drawing
References
- Teo SP. Alstonia iwahigensis Elmer. In: van Valkenburg JLCH, Bunyapraphatsara N, editors. Plant Resources of South-East Asia No. 12(2): Medicinal and poisonous plants 2. Leiden, Netherlands: Backhuys Publisher; 2001. p. 66.
- Umberto Q. CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology (5 Volume Set). Boca Raton, FL: CRC Press; 2012. p. 209
- The Plant List. Ver 1.1. Alstonia iwahigensis Elmer [homepage on the Internet]. c2013. [updated 2012 March 23; cited 2015 April 02] Available from: http://www.theplantlist.org/tpl1.1/record/kew-7043
