Adansonia | |
Révision synoptique du genre Lastreopsis Ching (Dryopteridaceae) à Madagascar | |
France Rakotondrainibe1  Frédéric Tronchet1  | |
关键词: Pteridophyta; Dryopteridaceae; Lastreopsis; Madagascar; espèces nouvelles; lectotypification; Pteridophyta; Dryopteridaceae; Lastreopsis; Madagascar; new species; lectotypification; | |
DOI : 10.5252/a2009n1a1 | |
学科分类:植物学 | |
来源: Museum National d Histoire Naturelle | |
【 摘 要 】
SynopticrevisionofthegenusLastreopsisChing(Dryopteridaceae)inMadagascar.ThispaperpresentsasynopticrevisionofthegenusLastreopsisChing(Dryopteridaceae)inMadagascar.Anewidentificationkeyispresented,alongwithnewdistributionmaps.ThepresenceofL.barteriana(Hook.)Tardieu,anAfricanspecies,isindicatedforthefirsttime.Threenewspeciesaredescribed:1)L.coriaceosquamataRakotondr.resemblesL.boivinii(Baker)Tardieubutcanbedistinguishedbydifferencesinthemorphologyofthescalespresentonitsrhizomeandpetiolebase,whichisbrownishblack,coriaceous,flat,andappressed;2)L.manongarivensisRakotondr.canbeeasilydistinguishedbyitsuprightrhizomecoveredwithred,membraneousscales;and3)L.fideleiRakotondr.hasmediansorisimilartothoseofL.currorii(Mett.exKuhn)Tindalebutcanbedistinguishedbyhavingnon-gemmiferousfronds,medianpinnaethatare1-pinnate-pinnatifidandindusiawithentiremargins.TwoAfricanspecies,L.curroriiandL.subsimilis(Hook.)Tindale,havebeencitedintheliteratureasoccurringinMadagascar,butthematerialfromtherediffersclearlyfromthetypespecimens,andthesetaxaarenolongerthoughttooccurinMadagascar.ThetypeofLastreopsishornei(Baker)TindalefromtheSeychelles,isfragmentary,andthisnameistreatedas“insufficientlyknown”.Finally,alectotypeisdesignatedforNephrodiumgranulosumBaker,asynonymofL.boivinii.
【 授权许可】
Unknown
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