Novelties in Grammitis Sw. and Stenogrammitis labiak (Polypodiaceae) from Costa Rica, Colombia, and Venezuela

 

সংরক্ষণ করুন:
গ্রন্থ-পঞ্জীর বিবরন
লেখক: Rojas Alvarado, Alexander
বিন্যাস: artículo
প্রকাশনার তারিখ:2013
বিবরন:Four new species of Grammitis Sw. (G. angustissima A. Rojas, G. roraimensis A. Rojas, G. spathulata A. Rojas and G. undulata A. Rojas) and one new species of Stenogrammitis Labiak (S. grammitoides A. Rojas) are described here. The first species is known only from the Colombian Andes and is characterized by a very narrow blade; the second is known only from the Roraima Mountains in Venezuela, and is the largest species with a long ascending rhizome and a branched blackish blade ribbon; the third species is similar to G. marginella (Sw.) Sw.in spathulate blade with rounded apex, but has sessile fronds and a glabrous blade; the fourth species is also known from the Colombian Andes, and it is similar to G. angustissima in its narrow blade, but has undulate margins and a narrower blackish marginal ribbon; the Stenogrammitis species is endemic to Cocos Island, Costa Rica, and is characterized by clathrate rhizome scales, an entire blade, and discontinuous sori that are oblique at the costa.
দেশ:Repositorio UNA
প্রতিষ্ঠান:Universidad Nacional de Costa Rica
Repositorio:Repositorio UNA
ভাষা:Inglés
OAI Identifier:oai:null:11056/26131
অনলাইন ব্যবহার করুন:http://hdl.handle.net/11056/26131
https://doi.org/10.17533/udea.acbi.329199
মুখ্য শব্দ:GRAMMITIS
GRAMMITOIDES
NUEVOS TAXONES
NEOTRÓPICO
POLIPODIACEAE
ESTENOGRAMITIS
NEW TAXA
NEOTROPIC