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

 

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Bibliographische Detailangaben
Autoren: Rojas Alvarado, Alexander Fco., Palacios Ríos, Mónica
Format: artículo original
Status:Versión publicada
Publikationsdatum:2006
Beschreibung: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).
Land:Portal de Revistas UCR
Institution:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Sprache:Inglés
Español
OAI Identifier:oai:portal.ucr.ac.cr:article/13960
Online Zugang:https://revistas.ucr.ac.cr/index.php/rbt/article/view/13960
Stichwort:Pteris
new species
Pteridaceae