Gastrochilus wolongensis(Orchidaceae):a new species from Sichuan,China,based on molecular and morphological data  

作　　者：Junyi Zhang Yuehong Cheng Min Liao Senlong Jin Chunmao Qu Yingchun Tan Anđelka Plenković-Moraj Bo Xu 

机构地区：[1]CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization&Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province,Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu,Sichuan,China [2]College of Life Sciences,Chongqing Normal University,Chongqing,China [3]Sanjiang Conservation Station,Wolong National Natural Reserve Administration Bureau,Wenchuan,Sichuan,China [4]College of Life Sciences,University of Chinese Academy of Sciences,Beijing,China [5]Faculty of Science,University of Zagreb,Zagreb,Croatia

出　　处：《Ecosystem Health and Sustainability》2022年第1期463-470,共8页生态系统健康与可持续性（英文）

基　　金：Our work was funded by the National Key Research and Development Program of China(Grant No.2020YFE0203200);the Second Tibetan Plateau Scientific Expedition and Research(STEP)program(Grant No.2019QZKK0502);2022 Central Finance Forestry Grassland Ecological Protection and Restoration National Park Subsidy Project,2022 Subsidy Projects of Prohibited Developmental Areas from the Transfer Payment of the National Key Ecological Functional Areas,and Wild Plants Sharing and Service Platform of Sichuan Province.

摘　　要：Gastrochilus wolongensis(Orchidaceae),a new orchid species from Sichuan Province,Southwest China,is described and illustrated.It morphologically resembles G.sinensis,but differs markedly from the latter in having black-purple stripes(vs.purplish-red spots)on the adaxial side of the petals and sepals,a reniform epichile densely covered with long papillate hairs(vs.sparsely pubescent)with purplish-red spots(vs.unspotted),and outside the sac of the hypochile with purplish-red stripes(vs.purplish-red spotted).The molecular phylogenetic analysis based on nuclear ribosome internal transcribed spacer(nrITS)and four chloroplast DNA fragments(matK,psbA-trnH,psbM-trnD,and trnL-F)of 36 Gastrochilus species showed that G.wolongensis was closely related to G.ciliaris and G.formosanus.

关 键 词：Gastrochilus ORCHIDACEAE PHYLOGENY systematic position TAXONOMY 

分 类 号：S567.239[农业科学—中草药栽培]