Native Plants
Castanopsis psilophylla
Mengarung
Taxonomy
-
Kingdom
-
Division
-
Class
-
Order
-
Family
-
Genus
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Specific Epithetpsilophylla Soepadmo
-
Vernacular Name
- Berangan (Malay)
- Berangan Entadu (Iban)
- Kogopon (Dusun)
- Mengarung (Sabah)
- Mengarung (Dusun)
- Tukalod (Dusun)
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ResidentialNative
The taxonomic status is pending for approval
Description
Mengarung (Dusun) and berangan entadu (Iban) are the local names for Castanopsis psilophylla. This tree’s bole can be around 50 cm in diameter and reach a height of 30 m. It has smooth or finely fissured brown bark. The sapwood is in yellowish or whitish colour. The branchlets are almost glabrous (smooth) from the beginning. Its ovate leaves are glabrous on both sides. Male flowers have obtuse perianth lobes and are distributed in clusters of 3 along the rachis, whilst female flowers have acute perianth lobes and are scattered singly. In each pear-shaped cupule, there are 3 to 5 asymmetrical seeds with thin wall but only one of them is well-developed. In addition, the seeds are known as edible (Soepadmo & Saw, 2000).
The distribution of Castanopsis psilophylla is within Borneo, the Philippines and Banguey Island. This species is usually found in Sabah. In Sarawak, it is only recorded from Limbang and Marudi districts. It inhabits in primary and secondary hill mixed dipterocarp forests at elevations of up to 1000 m (Soepadmo & Saw, 2000).
Structure
Bark
Color
Brown
Bark
Type
Regular or irregular cracks or crevices, narrower than furrows; may be oriented vertically or horizo...
Fissured
Flat surface lacking in ridges, furrows, and similar features
Smooth
Leaf
2D Shape
Elliptic
Lanceolate
Ovate
Leaf Apex
2D Shape
Gradually tapering to a point
Acuminate
Leaf Base
2D Shape
Cuneate
Rounded
Leaf Margin
2D Shape
Smooth margin, without teeth or lobes
Entire
Location
by State Location
- Sabah 1
- Sarawak 2
Based on publications, specimens, and images
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E. Soepadmo (Prof.)
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PM - Peninsular Malaysia; SBH - Sabah; SWK - Sarawak; SEA - Southeast Asia; W - World;
References
Article
- Nilus, R., Sugau, J.B. & Pereira, J.T. (2011). Vegetation and botanical highlights of Pulau Sakar Forest Reserve. Sepilok Bulletin. (13 & 14), 1-25. http://www.forest.sabah.gov.my/docs/frc/Sepilok%20Bulletin%20Vol.%2013%20&%20Vol.%2014.pdf
Acknowledgements :- Ms. Aida Salihah Binti Abu Bakar, Ms. Norazah Binti Norddin, Ms. Nurfadzilah Bt Azmi & Ms. Siti Nor Hidayati Kamaruddin
Species Citation :- Castanopsis psilophylla. Malaysia Biodiversity Information System (MyBIS). Accessed via https://www.mybis.gov.my/sp/33243. [Retrieved 02 April 2023].
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