Clarification of Two Poorly Known Vittarioid Ferns (Pteridaceae): Haplopteris angustissima and H. capillaris

Cheng-Wei Chen; Stuart Lindsay; Kien Thai Yong; Andi Maryani A. Mustapeng; Victor B. Amoroso; Viet Dai Dang; Yao-Moan Huang

doi:10.1600/036364419X15620113920545

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6 August 2019 Clarification of Two Poorly Known Vittarioid Ferns (Pteridaceae): Haplopteris angustissima and H. capillaris

Cheng-Wei Chen, Stuart Lindsay, Kien Thai Yong, Andi Maryani A. Mustapeng, Victor B. Amoroso, Viet Dai Dang, Yao-Moan Huang

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Systematic Botany, 44(3):483-493 (2019). https://doi.org/10.1600/036364419X15620113920545

Abstract

Two poorly known Malesian vittarioid ferns, Haplopteris angustissima and Monogramma capillaris, are noteworthy for their similar gross morphology. In this study, their systematic relationship was clarified by using molecular phylogenetic analysis which resolved the species in two different clades. Diagnostic morphological characters were further revealed by detailed comparison of almost all the known collections. Although overlaps were found in most of the investigated morphological characters, the venation and silica bodies were found to be useful for species delimitation. Type information, field images, illustrations, and taxonomic notes are provided for both species. A new combination, Haplopteris capillaris, is made and its occurrence in Taiwan as independent gametophytes is confirmed.

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Cheng-Wei Chen, Stuart Lindsay, Kien Thai Yong, Andi Maryani A. Mustapeng, Victor B. Amoroso, Viet Dai Dang, and Yao-Moan Huang "Clarification of Two Poorly Known Vittarioid Ferns (Pteridaceae): Haplopteris angustissima and H. capillaris," Systematic Botany 44(3), 483-493, (6 August 2019). https://doi.org/10.1600/036364419X15620113920545

Published: 6 August 2019

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