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A New Species of Paris Melanthiaceae from Northeastern Yunnan China Zhang Shu dong Key Laboratory of Biodiversity and Biogeography Kunming Institute of Botany Chinese Academy of Sciences 132 Lanhei Road Kunming 650204 Yunnan People s Republic of China and Graduate School of Chinese Academy of Sciences Beijing 100039 People s Republic of China sdchang mail kib ac cn Wang Hong Key Laboratory of Biodiversity and Biogeography Kunming Institute of Botany Chinese Academy of Sciences 132 Lanhei Road Kunming 650204 Yunnan People s Republic of China and School of Life Sciences Nanjing University Nanjing 210093 People s Republic of China wanghong mail kib ac cn Li De zhu Key Laboratory of Biodiversity and Biogeography Kunming Institute of Botany Chinese Academy of Sciences 132 Lanhei Road Kunming 650204 Yunnan People s Republic of China dzl mail kib ac cn ABSTRACT Paris stigmatosa Shu dong Zhang Melanthiaceae is described and illustrated from northeastern Yunnan China The new species was found growing in wet habitats under bamboo thickets on Yaoshan Mountain of Qiaojia County The new species is very similar to P polyphylla Smith from which it differs by having fewer subsessile leaves four to six 3 merous flowers and stigmas 21 34 mm long A key to the new species and sympatric species is given and their similarities are discussed Key words China IUCN Red List Melanthiaceae Paris Yunnan The genus Paris L Melanthiaceae Angiosperm Phylogeny Group II 2003 comprises more than 20 species of perennial herbs distributed in Eurasia Li 1986 Kato et al 1995 Liang Victor 2000 All species except the European species P quadrifolia L and the Caucasian species P incompleta M Bieberstein are endemic to eastern Asia Osaloo Kawano 1999 There are 22 species 12 endemic in China Liang Victor 2000 which is the center of species diversity and endemism for the genus The previous taxonomic circumscription of Paris has been problematic e g Tatewaki Suto 1935 Hara 1969 Takhtajan 1983 Li 1984 1986 1998



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