Haplopteris palustris, a New Terrestrial Vittarioid Fern (Pteridaceae; Polypodiales) from Western Malesia

Cheng-Wei Chen; Daniele Cicuzza; Stuart Lindsay; Rahayu Sukmaria Sukri; Yi-Shan Chao; Yao-Moan Huang; Kuo-Fang Chung

doi:10.1600/036364424X17110457048659

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6 May 2024 Haplopteris palustris, a New Terrestrial Vittarioid Fern (Pteridaceae; Polypodiales) from Western Malesia

Cheng-Wei Chen, Daniele Cicuzza, Stuart Lindsay, Rahayu Sukmaria Sukri, Yi-Shan Chao, Yao-Moan Huang, Kuo-Fang Chung

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Systematic Botany, 49(1):227-235 (2024). https://doi.org/10.1600/036364424X17110457048659

Abstract

A new vittarioid fern species, Haplopteris palustris, is here described from the swamp forests in western Malesia based on both morphological and molecular phylogenetic evidence. This species is unique among all recognized congeners with its strongly raised midrib on the adaxial lamina. Through phylogenetic analysis, it is resolved as the sister group of H. sessilifrons, a species usually found in lowland mixed dipterocarp forests. Additionally, we provide chromosome counts for this new species. Our finding underscores the significance of Southeastern Asian swamp forests, emphasizing the need for conservation endeavors and research to ensure the protection of this invaluable ecosystem.

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Cheng-Wei Chen, Daniele Cicuzza, Stuart Lindsay, Rahayu Sukmaria Sukri, Yi-Shan Chao, Yao-Moan Huang, and Kuo-Fang Chung "Haplopteris palustris, a New Terrestrial Vittarioid Fern (Pteridaceae; Polypodiales) from Western Malesia," Systematic Botany 49(1), 227-235, (6 May 2024). https://doi.org/10.1600/036364424X17110457048659

Published: 6 May 2024

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