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1 April 2012 A New Species and a New Hybrid in the Grammitid Fern Genus Stenogrammitis (Polypodiaceae)
Paulo H. Labiak
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Abstract

A new species and a new hybrid in the genus Stenogrammitis are here described, and descriptions, illustrations, and comments on the most similar species are provided. Stenogrammitis brevipubens is characterized by having hemidimorphic laminae, with the fertile portion narrower and less dissected than the sterile portion, and by its indument, which is composed of simple, hyaline, and 2-celled hairs that are appressed upon the petiole, rachis, and laminar tissue. The hybrid, Stenogrammitis ×guatemalensis, has hemidimorphic laminae and reddish, 1-furcate and 3-celled hairs that are spreading on the petiole and lamina. Based on the hybrid morphology, the putative parents are S. prionodes and S. limula.

Paulo H. Labiak "A New Species and a New Hybrid in the Grammitid Fern Genus Stenogrammitis (Polypodiaceae)," American Fern Journal 102(2), 161-166, (1 April 2012). https://doi.org/10.1640/0002-8444-102.2.161
Published: 1 April 2012
JOURNAL ARTICLE
6 PAGES


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KEYWORDS
diversity
Guatemala
hybridization
Panama
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