Synotis panzhouensis (Asteraceae, Senecioneae), a distinct new species with red-purple pappus from southwestern Guizhou, China

Li, Zhi Qiang; Zheng, Hai-Lei; Ming, Tang

doi:10.3897/phytokeys.166.58654

Cited by 2 publications

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“… Synotis is endemic to the Sino-Himalayan region, except for two species occurring in northwestern China and Kyrgyzstan ( Jeffrey and Chen 1984 ; Li et al 2018 ). Sixty species are currently recognized in the genus, with 48 recorded in China ( Jeffrey and Chen 1984 ; Chen 1999 ; Chen et al 2011 ; Tang et al 2013a , b , c , 2014 , 2017 , 2022 ; Tong et al 2017 ; Li et al 2020 ; Liu et al 2020 , 2021 ; Tang and Chen 2021 ; Zhang et al 2021 ; Fan et al 2022a , b ).…”

Section: Introductionmentioning

confidence: 99%

Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

Zhao,

Chen,

et al. 2023

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Synotis jinpingensis (Asteraceae, Senecioneae), a new species from Jinping county in southeastern Yunnan province, China, is described and illustrated. This species is distinguished by having white ray florets in the genus Synotis, in which only species with yellow ray florets have been hitherto known. In habit and leaf shape S. jinpingensis is most closely similar to S. duclouxii, a species occurring in southwestern Guizhou, southern Sichuan and northeastern Yunnan, China, but differs, in addition to the color of ray florets, by having fewer lateral veins of leaves, obviously longer bracts of calyculus, and larger phyllaries. The membership of the new species within Synotis is strongly corroborated by evidence from floral micromorphology and phylogenetic analyses based on ITS sequence data. Color photographs of living plants, a distribution map, and provisional IUCN status of S. jinpingensis are provided.

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Section: Introductionmentioning

confidence: 99%

Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

Zhao,

Chen,

et al. 2023

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Comparative analysis of complete chloroplast genomes of Synotis species (Asteraceae, Senecioneae) for identification and phylogenetic analysis

Liu,

Luo,

Chen

et al. 2024

BMC Genomics

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Background The Synotis (C. B. Clarke) C. Jeffrey & Y. L. Chen is an ecologically important genus of the tribe Senecioneae, family Asteraceae. Because most species of the genus bear similar morphology, traditional morphological identification methods are very difficult to discriminate them. Therefore, it is essential to develop a reliable and effective identification method for Synotis species. In this study, the complete chloroplast (cp.) genomes of four Synotis species, S. cavaleriei (H.Lév.) C. Jeffrey & Y.L. Chen, S. duclouxii (Dunn) C. Jeffrey & Y.L. Chen, S. nagensium (C.B. Clarke) C. Jeffrey & Y.L. Chen and S. erythropappa (Bureau & Franch.) C. Jeffrey & Y. L. Chen had been sequenced using next-generation sequencing technology and reported here. Results These four cp. genomes exhibited a typical quadripartite structure and contained the large single-copy regions (LSC, 83,288 to 83,399 bp), the small single-copy regions (SSC, 18,262 to 18,287 bp), and the inverted repeat regions (IR, 24,837 to 24,842 bp). Each of the four cp. genomes encoded 134 genes, including 87 protein-coding genes, 37 tRNA genes, 8 rRNA genes, and 2 pseudogenes ( ycf1 and rps19 ). The highly variable regions ( trnC-GCA-petN , ccsA-psaC , trnE-UUC-rpoB , ycf1 , ccsA and petN ) may be used as potential molecular barcodes. The complete cp. genomes sequence of Synotis could be used as the potentially effective super-barcode to accurately identify Synotis species. Phylogenetic analysis demonstrated that the four Synotis species were clustered into a monophyletic group, and they were closed to the Senecio , Crassocephalum and Dendrosenecio in tribe Senecioneae. Conclusions This study will be useful for further species identification, evolution, genetic diversity and phylogenetic studies within this genus Synotis and the tribe Senecioneae. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-024-10663-x.

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Synotis panzhouensis (Asteraceae, Senecioneae), a distinct new species with red-purple pappus from southwestern Guizhou, China

Cited by 2 publications

References 8 publications

Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

Comparative analysis of complete chloroplast genomes of Synotis species (Asteraceae, Senecioneae) for identification and phylogenetic analysis

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Synotis panzhouensis (Asteraceae, Senecioneae), a distinct new species with red-purple pappus from southwestern Guizhou, China

Cited by 2 publications

References 8 publications

﻿Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

﻿Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

Comparative analysis of complete chloroplast genomes of Synotis species (Asteraceae, Senecioneae) for identification and phylogenetic analysis

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Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China

Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China