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

 

محفوظ في:
التفاصيل البيبلوغرافية
المؤلفون: Rojas Alvarado, Alexander Fco., Palacios Ríos, Mónica
التنسيق: artículo original
الحالة:Versión publicada
تاريخ النشر:2006
الوصف: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).
البلد:Portal de Revistas UCR
المؤسسة:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
اللغة:Inglés
Español
OAI Identifier:oai:portal.ucr.ac.cr:article/13960
الوصول للمادة أونلاين:https://revistas.ucr.ac.cr/index.php/rbt/article/view/13960
كلمة مفتاحية:Pteris
new species
Pteridaceae