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End of an enigma: Aenigmopteris belongs in Tectaria (Tectariaceae: Polypodiopsida)


Chen, Cheng-Wei; Rothfels, Carl J; Mustapeng, Andi Maryani A; Gubilil, Markus; Karger, Dirk Nikolaus; Kessler, Michael; Huang, Yao-Moan (2017). End of an enigma: Aenigmopteris belongs in Tectaria (Tectariaceae: Polypodiopsida). Journal of Plant Research:Epub ahead of print.

Abstract

The phylogenetic affinities of the fern genus Aenigmopteris have been the subject of considerable disagreement, but until now, no molecular data were available from the genus. Based on the analysis of three chloroplast DNA regions (rbcL, rps16-matK, and trnL-F) we demonstrate that Aenigmopteris dubia (the type species of the genus) and A. elegans are closely related and deeply imbedded in Tectaria. The other three species of genus are morphologically very similar; we therefore transfer all five known species into Tectaria. Detailed morphological comparison further shows that previously proposed diagnostic characters of Aenigmopteris fall within the range of variation of a broadly circumscribed Tectaria.

Abstract

The phylogenetic affinities of the fern genus Aenigmopteris have been the subject of considerable disagreement, but until now, no molecular data were available from the genus. Based on the analysis of three chloroplast DNA regions (rbcL, rps16-matK, and trnL-F) we demonstrate that Aenigmopteris dubia (the type species of the genus) and A. elegans are closely related and deeply imbedded in Tectaria. The other three species of genus are morphologically very similar; we therefore transfer all five known species into Tectaria. Detailed morphological comparison further shows that previously proposed diagnostic characters of Aenigmopteris fall within the range of variation of a broadly circumscribed Tectaria.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Systematic and Evolutionary Botany
07 Faculty of Science > Zurich-Basel Plant Science Center
Dewey Decimal Classification:580 Plants (Botany)
Language:English
Date:2017
Deposited On:09 Aug 2017 10:08
Last Modified:09 Aug 2017 10:08
Publisher:Springer
ISSN:0918-9440
Publisher DOI:https://doi.org/10.1007/s10265-017-0966-9
PubMed ID:28741041

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