中国横断山的地衣研究(6):灰梅属地衣修订(英文)  被引量:2

Contributions to the Lichen Flora of the Hengduan Mountains,China (6):Revisional Study of the Genus Canoparmelia (Lichenized Ascomycota,Parmeliacaea)

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作  者:刘栋[1,2] 王欣宇[2] 李建文[1,2] 钱子刚[1] 王立松[2] 

机构地区:[1]云南中医学院,云南昆明650500 [2]中国科学院昆明植物研究所生物多样性与生物地理学重点实验室,云南昆明650201

出  处:《植物分类与资源学报》2014年第6期781-787,共7页Plant Diversity

基  金:The National Natural Science Foundation of China (No.31170023,Y3216111W1);Foundation of Key Laboratory,CAS (KLBB201210);Flora Lichenum Sinicorum (KSCX2-EW-Z-9)

摘  要:通过对灰梅属(Canoparmelia)表型与基因型相结合的研究,澄清了云南南部报道的珊瑚大叶梅(Parmotrema conformatum)是裂芽灰梅(C.ecaperata)的错误鉴定。由于珊瑚大叶梅和裂芽灰梅在经典分类鉴别上容易混淆,通过r DNA ITS序列的系统发育分析,证明了裂芽灰梅与粉芽灰梅(C.texana)及同心灰梅(C.concrescens)有较近的亲缘关系;首次记录了粉芽灰梅在云南的分布范围;文中对两个新记录种进行了详细描述和讨论,并给出了中国已知灰梅属的检索表。A revision of Canoparmelia from the Hengduan Mountains (Yunnan, China) revealed the occurrence of C. ecaperata, based on specimens previously identified as Parmotrema conformatum. C. ecaperata is hereby reported as new to the flora of China. The study also led to the identification of C. texana as a component of the flora of Yun- nan. In order to make sure the systematic position of these species, a phylogenetic analysis of rI)NA ITS sequence was also carried out in this paper, indicating that C. ecaperata is closely related to C. texana and C. concrescens. De- tailed information and discussion of these two new records are provided, together with a key to all the known taxa of Canoparmelia recorded from China. Following our revision, Parmotrema conformatum should be excluded from the flora of China.

关 键 词:灰梅属 新记录 地理分布 分子系统学 

分 类 号:Q949.34[生物学—植物学]

 

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