Triplophyllum is a genus of ferns in the family Tectariaceae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).
Taxonomy The genus Triplophyllum was erected by Richard Eric Holttum in 1986. The type species is Triplophyllum protensum, transferred from Aspidium protensum.
A 2016 molecular phylogenetic showed Triplophyllum to be in a clade containing Tectaria, sister to Hypoderris.
Species , the Checklist of Ferns and Lycophytes of the World recognized the following species:
Triplophyllum angustifolium Holttum Triplophyllum attenuatum (Pic.Serm.) Pic.Serm. Triplophyllum batesii Holttum Triplophyllum boliviense J.Prado & R.C.Moran Triplophyllum buchholzii (Kuhn) Holttum Triplophyllum chocoense J.Prado & R.C.Moran Triplophyllum crassifolium Holttum Triplophyllum dicksonioides (Fée) Holttum Triplophyllum dimidiatum (Mett. ex Kuhn) Holttum Triplophyllum fraternum (Mett.) Holttum Triplophyllum funestum (Kunze) Holttum Triplophyllum gabonense Holttum Triplophyllum glabrum J.Prado & R.C.Moran Triplophyllum heudelotii Pic.Serm. Triplophyllum hirsutum (Holttum) J.Prado & R.C.Moran Triplophyllum jenseniae (C.Chr.) Holttum Triplophyllum pentagonum (Bonap.) Holttum Triplophyllum perpilosum (Holttum) J.Prado & R.C.Moran Triplophyllum pilosissimum (J.Sm. ex T.Moore) Holttum Triplophyllum principis Holttum Triplophyllum protensum (Afzel. ex Sw.) Holttum Triplophyllum subquinquefidum (P.Beauv.) Pic.Serm. Triplophyllum securidiforme (Hook.) Holttum Triplophyllum speciosum (Mett. ex Kuhn) Holttum Triplophyllum troupinii (Pic.Serm.) Holttum Triplophyllum varians (T.Moore) Holttum Triplophyllum vogelii (Hook.) Holttum
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