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28 October 2020 Aster chuanshanensis (Asteraceae), a New Species from Shanxi and Sichuan, China
Jia-Wei Xiao, Qing-Ya Zhao, Yi-Chang Xiong, Wei-Ping Li
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Abstract

Aster chuanshanensis W.P. Li, a new species of Asteraceae from Shanxi and Sichuan, China, is described and illustrated based on morphological, micromorphological, molecular and cytological evidence. It is similar to A. indicus and A. shimadae, but differs from them in rhizome type, leaf size and texture, receptacle shape, floral tube and pappi lengths, and in the ratio of stigmatic line to the style arm appendage. Phylogenetic analysis based on nrDNA (ITS and ETS) sequence data supported A. chuanshanensis as a distinct species belonging to sect. Asteromoea. It is diploid with a karyotype 2n = 2x = 18m, which distinguishes it from the morphologically similar species.

© Finnish Zoological and Botanical Publishing Board
Jia-Wei Xiao, Qing-Ya Zhao, Yi-Chang Xiong, and Wei-Ping Li "Aster chuanshanensis (Asteraceae), a New Species from Shanxi and Sichuan, China," Annales Botanici Fennici 57(4-6), 341-350, (28 October 2020). https://doi.org/10.5735/085.057.0417
Received: 12 March 2020; Accepted: 7 August 2020; Published: 28 October 2020
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