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November 20, 2025Phytotaxa

A new generic name to solve the paraphyly of Sticherus C.Presl (Gleicheniaceae, Polypodiopsida)

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Authors

LVLima Lucas VieiraSASalino AlexandreRGRouhan, Germinal

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Overview

New genus Sticheroides establishes nomenclatural stability, improving identification in Gleicheniaceae ferns.

Key Points

  • To resolve the paraphyly of Sticherus by introducing a new genus, Sticheroides.
  • Described a new genus based on phylogenetic analysis and frond architecture.
  • Provided an updated identification key to the genera.
  • Included morphological descriptions and comments on the new genus.
  • Sticheroides gen. nov. accommodates Sticherus truncatus and S. milnei.
  • Diverged from related genera approximately 114–117 million years ago.
  • Identified distinctive features such as scaly buds and rhizomes, and anisotomic branching.

Cite This Study

Vieira et al. (2025) studied this question.

synapsesocial.com/papers/6924f091c0ce034ddc35084fhttps://doi.org/10.11646/phytotaxa.730.3.7
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