Targeted sequencing supports morphology and embryo features in resolving the classification of Cyperaceae tribe Fuireneae s.l.  

作　　者：Julian R.Starr Pedro Jiménez-Mejías Alexandre R.Zuntini Étienne Léveillé-Bourret Ilias Semmouri Muthama Muasya William J.Baker Grace E.Brewer Niroshini Epitawalage Isabel Fairlie Félix Forest Izai A.B.Sabino Kikuchi Lisa Pokorny Isabel Larridon 

机构地区：[1]Department of Biology,University of Ottawa,Ottawa,ON K1N 6N5,Canada [2]Departamento de Biología(Botánica),Facultad de Ciencias Biológicas,Universidad Autónoma de Madrid,C/Darwin,2,Madrid 28049,Spain [3]Centro de Investigación en Biodiversidad y Cambio Global(CIBC-UAM),Universidad Autónoma de Madrid,Madrid 28049,Spain [4]Royal Botanic Gardens,Kew,Richmond,Surrey TW93AE,UK [5]Institut de recherche en biologie végétale(IRBV),Universitéde Montréal,Montréal,QC H1X 2B2,Canada [6]Laboratory of Environmental Toxicology and Aquatic Ecology,Faculty of Bioscience Engineering,Ghent University,Ghent 9000,Belgium [7]Department of Biological Sciences,Bolus Herbarium,University of Cape Town,Private Bag X3,Rondebosch,Cape Town 7701,South Africa [8]Department of Animal and Plant Sciences,University of Sheffield,Alfred Denny Building,Western Bank,Sheffield S102TN,UK [9]Hortus botanicus Leiden,Universiteit Leiden,PO Box 9500,Leiden 2300 RA,The Netherlands [10]Systematic and Evolutionary Botany Lab,Department of Biology,Ghent University,K.L.Ledeganckstraat 35,Gent 9000,Belgium

出　　处：《Journal of Systematics and Evolution》2021年第4期809-832,共24页植物分类学报（英文版）

基　　金：supported by the National Science and Engineering Research Council(NSERC)of Canada Discovery Grant to JRS(RGPIN 2018-04115),enabling a 6-week research stay at the Royal Botanic Gardens,Kew,covering part of the laboratory work and sequencing costs.

摘　　要：Molecular phylogenetic studies based on Sanger sequences have shown that Cyperaceae tribe Fuireneae s.l.is paraphyletic.However,taxonomic sampling in these studies has been poor,topologies have been inconsistent,and support for the backbone of trees has been weak.Moreover,uncertainty still surrounds the morphological limits of Schoenoplectiella,a genus of mainly small,amphicarpic annuals that was recently segregated from Schoenoplectus.Consequently,despite ample evidence from molecular analyses that Fuireneae s.l.might consist of two to four tribal lineages,no taxonomic changes have yet been made.Here,we use the Angiosperms353 enrichment panel for targeted sequencing to(i)clarify the relationships of Fuireneae s.l.with the related tribes Abildgaardieae,Eleocharideae,and Cypereae;(ii)define the limits of Fuireneae s.s.,and(iii)test the monophyly of Fuireneae s.l.genera with emphasis on Schoenoplectus and Schoenoplectiella.Using more than a third of Fuireneae s.l.diversity,our phylogenomic analyses strongly support six genera and four major Fuireneae s.l.clades that we recognize as tribes:Bolboschoeneae stat.nov.,Fuireneae s.s.,Schoenoplecteae,and Pseudoschoeneae tr.nov.These results are consistent with morphological,micromorphological(nutlet epidermal cell shape),and embryo differences detected for each tribe.At the generic level,most sub-Saharan African perennials currently treated in Schoenoplectus are transferred to Schoenoplectiella.Our targeted sequencing results show that these species are nested in Schoenoplectiella,and their treatment here is consistent with micromorphological and embryo characters shared by all Schoenoplectiella species.Keys to recognized tribes and genera are provided.

关 键 词：Angiosperms353 CLASSIFICATION CYPERACEAE Fuireneae targeted sequencing taxon limits taxonomy 

分 类 号：Q94[生物学—植物学]