New combinations in the fern genus Tectaria (Tectariaceae) for the Flora of China

Christenhusz, Maarten J. M.

doi:10.11646/phytotaxa.10.1.9

Cited by 746 publications

(1 citation statement)

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“…This is one of the oldest lineages of the fossil genera's and the branches [23]. In these fossil genera's typical heterospory and the alternation of the generation can be seen with clear examples.…”

Section: Fossil Lycopsidamentioning

confidence: 89%

Fossil Early Psilophytian & Lycopodian, Spenopsida Lines of Evolution

Agrawal¹,

Danai²

2017

Br J Res

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Evolution of the plants is the very important aspects of the life on the planet. Since early plant life was typically aquatic in nature. It was the assemblage of the many kind of the aquatic algae's and the other taxa's of the aquatic importance. Among them the bryophytes are the plants which were amphibious in nature. However, the pteridophytes are typically land plants having well developed vascular bundles as well as other features of the and adaptations. Pteridophytes have the long fossils history; plants were well developed in the whole Paleozoic era. They were flourished well in the late Devonian and the carboniferous period. In that era one can find the number of the examples of fossils plants which were intimidate in evolution of the many kinds of the organs. Lepidocarpales was the assemblage of the organs like structure which have the pioneer's symptoms of the evolution of the ovules. That review presents the assemblage of the fossil pteridophytes.

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Section: Fossil Lycopsidamentioning

confidence: 89%

Fossil Early Psilophytian & Lycopodian, Spenopsida Lines of Evolution

Agrawal¹,

Danai²

2017

Br J Res

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On the monophyly of subfamily Tectarioideae (Polypodiaceae) and the phylogenetic placement of some associated fern genera

et al. 2014

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The fern genus Tectaria has generally been placed in the family Tectariaceae or in subfamily Tectarioideae (placed in Dennstaedtiaceae, Dryopteridaceae or Polypodiaceae), both of which have been variously circumscribed in the past. Here we study for the first time the phylogenetic relationships of the associated genera Hypoderris (endemic to the Caribbean), Cionidium (endemic to New Caledonia) and Pseudotectaria (endemic to Madagascar and Comoros) using DNA sequence data. Based on a broad sampling of 72 species of eupolypods I (= Polypodiaceae sensu lato) and three plastid DNA regions (atpA, rbcL and the trnL-F intergenic spacer) we were able to place the three previously unsampled genera. Our results show that Cionidium, like Ctenitopsis, Fadyenia, Hemigramma and Quercifilix, is embedded in Tectaria, and the monophyly of Tectaria is therefore corroborated only if these segregate genera are included. Hypoderris is sister to Tectaria brauniana and together they are sister to Triplophyllum, which was found to be monophyletic. Despite their morphological similarity with Tectaria, the genera Pleocnemia and Pseudotectaria were placed in Dryopteridoideae. Polypodiaceae subfamily Tectarioideae (former family Tectariaceae) is hereby defined to include Arthropteris, Hypoderris, Pteridrys, Tectaria and Triplophyllum. Aenigmopteris may also belong here, but this genus remains unsampled.

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