A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica.

 

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Авторы: Rojas Alvarado, Alexander Fco., Palacios Ríos, Mónica
Формат: artículo original
Статус:Versión publicada
Дата публикации:2006
Описание:Abstract: A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica. The new fern species Pteris herrerae A. Rojas & M. Palacios, endemic to Costa Rica, is described. It differs from P. decurrens C. Presl in basal segments reduced to 1/5-1/2 of the next segment (vs. 2/3-3/4), basal pinnae not bifurcated (vs. bifurcated), pinnae apex mucronate (vs. acuminate) and segment apex undulate (vs. dentate). It differs from Pteris consanguinea in the elliptic pinnae (vs. oblong), two segments reduced on the base (vs. lack), segments entire to undulate (vs. dentate), basal pinnae without basiscopic lobes (vs. with basiscopic lobes) and segment apex entire to undulate (vs. dentate).
Страна:Portal de Revistas UCR
Институт:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Язык:Inglés
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OAI Identifier:oai:archivo.portal.ucr.ac.cr:article/13960
Online-ссылка:https://archivo.revistas.ucr.ac.cr/index.php/rbt/article/view/13960
Ключевое слово:Pteris
new species
Pteridaceae