[A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica]. / Una especie nueva de helecho del género Pteris (Pteridaceae) endémica de Costa Rica.
Rev Biol Trop
; 54(3): 1061-6, 2006 Sep.
Article
em Es
| MEDLINE
| ID: mdl-18491648
ABSTRACT
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).
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Pteris
Aspecto:
Determinantes_sociais_saude
País/Região como assunto:
America central
/
Costa rica
Idioma:
Es
Revista:
Rev Biol Trop
Ano de publicação:
2006
Tipo de documento:
Article
País de afiliação:
Costa Rica