Elaphoglossum nimbaense J.P.Roux, sp. nov. (Pteridophyta: Dryopteridaceae), a new fern species from Liberia, West Africa

Adansonia

Jacobus P. Roux†¹ 

关键词: Dryopteridaceae;    Elaphoglossum;    section Elaphoglossum;    Liberia;    Mt Nimba;    West Africa;    new species;    Dryopteridaceae;    Elaphoglossum;    section Elaphoglossum;    Liberia;    Mt Nimba;    West Africa;    espèce nouvelle;   

DOI  :  10.5252/a2014n1a1

学科分类：植物学

来源: Museum National d Histoire Naturelle

【 摘 要 】

ElaphoglossumnimbaenseJ.P.Roux,sp.nov.,anewepiphyticfernspecieswhichappearstobeendemictotheNimbaMountainsinLiberia,WestAfricaisdescribedandillustrated.FeaturesseparatingE.nimbaenseJ.P.Roux,sp.nov.fromotherspeciesinsectionElaphoglossumSchottexJ.Sm.arethecrustaceous,centrallydarkandglossy,pseudopeltaterhizomescales,theconspicuousshortstipeofthesterilefronds—thefertilefrondstipesaresignificantlylonger,thesomewhatcarnose,attenuate,longacuminatesterilelaminae.Thesignificantlylargeradaxialepidermalcellsofthefertilelaminaeincomparisonwiththatofthesterilelaminaeandthereticulate(impresso-punctate)adaxialepidermisofthefertilelaminae,perhapscausedbythecollapseofbladdercells(enlargedmoisturecontainingepidermalcells)withstraighttransversewallsisalsocharacteristicofthespecies.ThenomenclatureofsectionElaphoglossumandsubsectionsthereinarediscussed.

【 授权许可】

Unknown