中国兰族系统发育关系研究

摘要

Based on seven DNA maekers (plastid gene rbcL,matK,trnL-F,psbA-trnH,trnS-trnG and nuclear gene Xdh and ITS),and a broad sampling of Orchidaceae,generic demimitation and phylogenetic relationships within the tribe Orchideae from China were assessed.In our results,the China Orchideae was divied into 3 subtrib,which included Coryciinae,Satyriinae and Orchidinae,and the subtribes were subdivided into 19 genera.The Satyriinae and Oryciinae are single-species genera.The Orchidinae could be divied into 17 genera that was Ponerorchis,Siridhornia,Galearis,Orchis,Platanthera,Shizhenia,Dactylorhiza,Herminium,Gnennaria,Hsenhsua,Hemipilia,Brachycorythis,Diplomeris,Gymnadenia,Habenaria,Pecteilis,and Peristylus.%选取叶绿体基因rbcL、matK、trnL-F、sb A-trnH、trnS-trnG和核基因Xdh、ITS构建兰族(Orchideae)的系统发育树.研究结果表明,中国兰族由鸟足兰亚族(Satyriinae)、双袋兰亚族(Coryciinae)和兰亚族(Orchidinae)3个亚族组成,包含19个属.其中鸟足兰亚族和双袋兰亚族分别由鸟足兰属(Satyrium)和双袋兰属(Disperis)组成,位于系统的基部.兰亚族包括小红门兰属(Ponerorchis)、毛轴兰属(Siridhornia)、盔花兰属(Galearis)、红门兰属(Orchis)、舌唇兰属(Platanthera)、时珍兰属(Shizhenia)、掌裂兰属(Dactylorhiza)、角盘兰属(Herminium)、Gnennaria、先骕兰属(Hsenhsua)、舌喙兰属(Hemipilia)、苞叶兰属(Brachycorythis)、合柱兰属(Diplomeris)、手参属(Gymnadenia)、玉凤花属(Habenaria)、白蝶兰属(Pecteilis)、阔蕊兰属(Peristylus)17个属.