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      Checklist of vascular plants of Klang Gates Quartz Ridge, Malaysia, a 14-km long quartz dyke

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          Abstract

          The Klang Gates Quartz Ridge (KGQR) is proposed for protection as National Heritage and as a UNESCO World Heritage Site because of its spectacular size, exceptional beauty and significant biodiversity. The checklist of vascular plants documents 314 species that comprise a unique combination that grows on lowland quartz and that is distinct from the surrounding lowland equatorial rain forest by the absence of orchids, palms, gingers and tree canopy families. The Rubiaceae , Gramineae , Moraceae , Apocynaceae , Melastomataceae and Polypodiaceae are the most speciose families. The summit vegetation at 200–400 m elevation is dominated by Baeckea frutescens ( Myrtaceae ) and Rhodoleia championii ( Hamamelidaceae ) and shows similarities to the plant community on rocky mountain peaks above 1500 m. About 11% of its species are endemic in Peninsular Malaysia and four are endemic to KGQR: Aleisanthia rupestris ( Rubiaceae ), Codonoboea primulina ( Gesneriaceae ), Spermacoce pilulifera ( Rubiaceae ), and Ilex praetermissa ( Aquifoliaceae ). All four are provisionally assessed as Critically Endangered. Two, Eulalia milsumi ( Gramineae ) and Sonerila prostrata ( Melastomataceae ), are endemic to KGQR and a few neighbouring smaller quartz dykes. They are assessed as Endangered. The KGQR is a fragile habitat and conservation management is urgently required to halt the spread of the aggressive alien grass, Pennisetum polystachion and to prevent further habitat degradation from visitors. Based on KGQR being a threatened habitat, its biodiverse flora, and endangered species, it qualifies as an Important Plant Area.

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          Most cited references 18

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          Ecological aspects of endemic plant populations on Klang Gates quartz ridge, a habitat island in Peninsular Malaysia.

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            The flowering plants of Kuala Lumpur, in the Malay Peninsula. Gardens’ Bulletin.

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              Conspectus of orders, families and genera of ferns and lycophytes of Peninsular Malaysia.

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                Author and article information

                Contributors
                Journal
                PhytoKeys
                PhytoKeys
                3
                urn:lsid:arphahub.com:pub:F7FCE910-8E78-573F-9C77-7788555F8AAD
                PhytoKeys
                Pensoft Publishers
                1314-2011
                1314-2003
                2020
                29 October 2020
                : 166
                : 57-77
                Affiliations
                [1 ] Forest Research Institute Malaysia, 52109 Kepong, Selangor Malaysia Forest Research Institute Malaysia Kepong Malaysia
                Author notes
                Corresponding author: Ruth Kiew ( ruth@ 123456frim.gov.my )

                Academic editor: Ricarda Riina

                Article
                55778
                10.3897/phytokeys.166.55778
                7644640
                Ruth Kiew, Lim Chung-Lu

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Categories
                Research Article
                Angiospermae
                Biodiversity & Conservation
                Asia

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