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Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China

Chrysosplenium sangzhiense Hong Liu, a new species from Hunan, China, is described and illustrated. The phylogenetic analysis revealed that the new species belongs to subgen. Chrysosplenium and is closely related to C. grayanum, C. nepalense and C. sinicum. The chromosome number of the new species i...

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Autores principales: Fu, Long-Fei, Yang*, Tian-Ge, Lan, De-Qing, Wen, Fang, Liu, Hong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8065015/
https://www.ncbi.nlm.nih.gov/pubmed/33958936
http://dx.doi.org/10.3897/phytokeys.176.62802
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author Fu, Long-Fei
Yang*, Tian-Ge
Lan, De-Qing
Wen, Fang
Liu, Hong
author_facet Fu, Long-Fei
Yang*, Tian-Ge
Lan, De-Qing
Wen, Fang
Liu, Hong
author_sort Fu, Long-Fei
collection PubMed
description Chrysosplenium sangzhiense Hong Liu, a new species from Hunan, China, is described and illustrated. The phylogenetic analysis revealed that the new species belongs to subgen. Chrysosplenium and is closely related to C. grayanum, C. nepalense and C. sinicum. The chromosome number of the new species is 2n = 46, indicating a novel basic number x = 23 in Chrysosplenium that is different from other species. This also suggests that C. sangzhiense is probably an allopolyploid derivative of a species with x = 11 and one with x = 12. Morphologically, C. sangzhiense can be easily distinguished from C. grayanum, C. nepalense, C. sinicum and C. cavaleriei, a species not included in our phylogenetic analysis by a suite of characters relating to the sterile shoots, basal leaves, cauline leaves, flowering stem, sepals, disc, capsule and seed. A global conservation assessment is performed, and classifies C. sangzhiense as Least Concern (LC).
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spelling pubmed-80650152021-05-05 Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China Fu, Long-Fei Yang*, Tian-Ge Lan, De-Qing Wen, Fang Liu, Hong PhytoKeys Research Article Chrysosplenium sangzhiense Hong Liu, a new species from Hunan, China, is described and illustrated. The phylogenetic analysis revealed that the new species belongs to subgen. Chrysosplenium and is closely related to C. grayanum, C. nepalense and C. sinicum. The chromosome number of the new species is 2n = 46, indicating a novel basic number x = 23 in Chrysosplenium that is different from other species. This also suggests that C. sangzhiense is probably an allopolyploid derivative of a species with x = 11 and one with x = 12. Morphologically, C. sangzhiense can be easily distinguished from C. grayanum, C. nepalense, C. sinicum and C. cavaleriei, a species not included in our phylogenetic analysis by a suite of characters relating to the sterile shoots, basal leaves, cauline leaves, flowering stem, sepals, disc, capsule and seed. A global conservation assessment is performed, and classifies C. sangzhiense as Least Concern (LC). Pensoft Publishers 2021-04-16 /pmc/articles/PMC8065015/ /pubmed/33958936 http://dx.doi.org/10.3897/phytokeys.176.62802 Text en Long-Fei Fu, Tian-Ge Yang, De-qing Lan, Fang Wen, Hong Liu https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Fu, Long-Fei
Yang*, Tian-Ge
Lan, De-Qing
Wen, Fang
Liu, Hong
Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China
title Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China
title_full Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China
title_fullStr Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China
title_full_unstemmed Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China
title_short Chrysosplenium sangzhiense (Saxifragaceae), a new species from Hunan, China
title_sort chrysosplenium sangzhiense (saxifragaceae), a new species from hunan, china
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8065015/
https://www.ncbi.nlm.nih.gov/pubmed/33958936
http://dx.doi.org/10.3897/phytokeys.176.62802
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