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Diversity of Limestone Orchids in Padawan, Sarawak

Padawan Formation is the largest outcrop in Sarawak. However, little botanical work has been done. Many of the collections are unpublished. Therefore, the orchid flora in Padawan is poorly known. Nine limestone hills and two rivers in the northern part of Padawan Formation have been botanized in thi...

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Main Author: Phoon, Sook Ngoh
Format: Thesis
Language:English
English
Published: 2004
Online Access:http://psasir.upm.edu.my/id/eprint/409/1/549711_FSAS_2004_44.pdf
http://psasir.upm.edu.my/id/eprint/409/
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spelling my.upm.eprints.4092013-05-27T06:48:09Z http://psasir.upm.edu.my/id/eprint/409/ Diversity of Limestone Orchids in Padawan, Sarawak Phoon, Sook Ngoh Padawan Formation is the largest outcrop in Sarawak. However, little botanical work has been done. Many of the collections are unpublished. Therefore, the orchid flora in Padawan is poorly known. Nine limestone hills and two rivers in the northern part of Padawan Formation have been botanized in this study. A total of 148 taxa in 47 genera from 3 subfamilies were recorded. A total of 43 taxa and 10 genera are new records for Padawan. Bulbophyllum reticulatum, Cleisostoma discolor, Dendrobium truncatum, Dossinia marmorata, and Paphiopedilum stonei are recognised as endemic species of limestone area; whilst, Bulbophyllum reticulatum, and Paphiopedilum stonei are recognised as endemic species in Sarawak. There are three outstanding features of the Orchidaceae of Padawan: (i) consists of Asian and Papuasia elements at the generic level and Bornean element at the species level; (ii) morphological diversity, a prima fascia indication of the rich floristic composition of the limestone area; and (iii) small size of genus, species in small populations. Gunung Bekap, Gunung Mangan and Gunung Timurang, stand out for in-situ conservation because they comprise the most diverse orchid species. They are also home to endangered and rare species like Dossinia marmorata, Paphiopedilum lowii and Paphiopedilum stonei. 2004-09 Thesis NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/409/1/549711_FSAS_2004_44.pdf Phoon, Sook Ngoh (2004) Diversity of Limestone Orchids in Padawan, Sarawak. Masters thesis, Universiti Putra Malaysia. English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description Padawan Formation is the largest outcrop in Sarawak. However, little botanical work has been done. Many of the collections are unpublished. Therefore, the orchid flora in Padawan is poorly known. Nine limestone hills and two rivers in the northern part of Padawan Formation have been botanized in this study. A total of 148 taxa in 47 genera from 3 subfamilies were recorded. A total of 43 taxa and 10 genera are new records for Padawan. Bulbophyllum reticulatum, Cleisostoma discolor, Dendrobium truncatum, Dossinia marmorata, and Paphiopedilum stonei are recognised as endemic species of limestone area; whilst, Bulbophyllum reticulatum, and Paphiopedilum stonei are recognised as endemic species in Sarawak. There are three outstanding features of the Orchidaceae of Padawan: (i) consists of Asian and Papuasia elements at the generic level and Bornean element at the species level; (ii) morphological diversity, a prima fascia indication of the rich floristic composition of the limestone area; and (iii) small size of genus, species in small populations. Gunung Bekap, Gunung Mangan and Gunung Timurang, stand out for in-situ conservation because they comprise the most diverse orchid species. They are also home to endangered and rare species like Dossinia marmorata, Paphiopedilum lowii and Paphiopedilum stonei.
format Thesis
author Phoon, Sook Ngoh
spellingShingle Phoon, Sook Ngoh
Diversity of Limestone Orchids in Padawan, Sarawak
author_facet Phoon, Sook Ngoh
author_sort Phoon, Sook Ngoh
title Diversity of Limestone Orchids in Padawan, Sarawak
title_short Diversity of Limestone Orchids in Padawan, Sarawak
title_full Diversity of Limestone Orchids in Padawan, Sarawak
title_fullStr Diversity of Limestone Orchids in Padawan, Sarawak
title_full_unstemmed Diversity of Limestone Orchids in Padawan, Sarawak
title_sort diversity of limestone orchids in padawan, sarawak
publishDate 2004
url http://psasir.upm.edu.my/id/eprint/409/1/549711_FSAS_2004_44.pdf
http://psasir.upm.edu.my/id/eprint/409/
_version_ 1643821815698554880
score 13.211869

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