西藏横断山种子植物区系新资料  

New data of seed flora in Hengduan Mountain in Xizang,Chin

作　　者：陈绪言 刘星雨 蒋志敏 黄玫 丁山 高刚[1] CHEN Xuyan;LIU Xingyu;JIANG Zhimin;HUANG Mei;DING Shan;GAO Gang(Facuity of Agriculture,Forestry and Food Engineering,Yibin University,Yibin,Sichuan 644000,China;Central South Academy of Inventory and Planning of NFGA,Changsha 410014,China)

机构地区：[1]宜宾学院农林与食品工程学部,四川宜宾644000 [2]国家林业和草原局中南调查规划院,长沙410014

出　　处：《西北植物学报》2024年第6期1003-1008,共6页Acta Botanica Boreali-Occidentalia Sinica

基　　金：国家自然科学基金项目(32001390);四川省高校重点实验室项目“香料植物资源开发与利用”(2015XLY008,2016XLZ003)。

摘　　要：[目的]横断山脉北部生物多样性丰富,最近10多年,有许多关于该区域生物多样性的考察报道。考察队于2023年6-8月在横断山北部开展植物多样性和植被结构调查,获得了不少新的考察成果。[方法]通过野外调查对植物进行采集和拍照,制作标本,并进行分类鉴定。[结果]报道采自西藏横断山北缘昌都察雅地区的8个西藏新记录种。分别为矮麻黄(EphedraminutaFlorin)、柠条锦鸡儿(CaraganakorshinskiiKom.)、炉霍杜鹃(Rho-dodendronluhuoenseH.P.Yang)、长柱直枝杜鹃(R.orthocladumvar.longistylumPhilipsonetM.N.Philip-son)、千里香杜鹃(R.thymifoliumMaxim.)、南方雪层杜鹃(R.nivaleHook.f.subsp.australePhilipsonetM.N.Philipson)、茵陈蒿(ArtemisiacapillarisThunb.)、细穗藜[Chenopodiastrumgracilispicum(H.W.Kung)Uo-tila]。[结论]新分布植物的发现对于补充西藏横断山区植物区系具有重要意义。凭证标本保存于宜宾学院植物标本室。[Objective]The Northern Hengduan Mountains are rich in biodiversity.Over the last 10 years,there have been many reports of the biodiversity of the region.The team conducted a survey of plant diversity and vegetation structure in Northern Hengduan Mountains from June to August 2023.[Methods]Through field investigation and collection and photograph of plants,as well as preparing,classifying,and identifying specimens.[Results]Eight newly recorded species were reported from Chaya of Changdu in the Northern Hengduan Mountains in Xizang.They were Ephedra minuta Florin(Ephedraceae),Caragana korshinskii Kom.(Fabaceae),Rhododendron luhuoense H.P.Yang(Ericaceae),R.orthocladum var.longistylum Philipson et M.N.Philipson(Ericaceae),R.thymifolium Maxim.(Ericaceae),R.nivale Hook.f.subsp.australe Philipson et M.N.Philipson(Ericaceae),Artemisia capillaris Thunb.(Asteraceae),and Chenopodiastrum gracilispicum(H.W.Kung)Uotila(Amaranthaceae)[Conclusion]The discovery of the newly distributed plants is an important supplement for the flora of the Hengduan Mountains in Xizang.The voucher specimens are stored in the herbarium of Yibin University.

关 键 词：横断山北缘 西藏新记录 种子植物 

分 类 号：Q949.7[生物学—植物学] Q948.5