期刊
PHYTOKEYS
卷 -, 期 210, 页码 1-13出版社
PENSOFT PUBLISHERS
DOI: 10.3897/phytokeys.210.89480
关键词
molecular evidence; morphology; pappus
资金
- Ecological Adaptability of Four Narrow Endemic Sinosenecio Species in Wuling Mountain Region [31860117]
- National Natural Science Foundation of China
A new species, Sinosenecio yangii, from Guizhou Province, China, is described and illustrated based on its morphology and molecular evidence. It closely resembles S. confervifer and S. guangxiensis in morphology but differs in flower head number and fruit characteristics. Phylogenetic analysis indicates that it belongs to the Latouchei clade and is closely related to S. guangxiensis.
A new species Sinosenecio yangii D.G. Zhang & Q. Zhou (Asteraceae, Senecioneae) from Guizhou Prov-ince, China, is described and illustrated based on its morphological characteristics and molecular evidence. It closely resembles S. confervifer and S. guangxiensis, the former in the scapigerous habit and smooth and glabrous achene surface, the latter in the calyculate involucre and purple abaxial leaf surface, and both in the shape and indumentum of leaf lamina, but differs markedly from the latter two in having fewer ca-pitula and epappose achenes. Phylogenetic analysis based on nrITS and ndhC-trnVsequences shows that this new species belongs to the S. latouchei clade and is sister to S. guangxiensis with moderate support.
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