New Saussurea (Asteraceae) species from Bogeda Mountain, eastern Tianshan, China, and inference of its evolutionary history and medical usage

PloS One
Jie Chen, Yu-Jin Wang

Abstract

In this study, Saussurea bogedaensis Yu-J. Wang & Jie Chen, a new species from Bogeda Mountain in the eastern part of the Tianshan Mountains, is described and discussed based on evidence in terms of both morphological and genetic data. S. bogedaensis is morphologically similar to S. involucrata, which is distributed in the western part of the Tianshan Mountains, and it is well known because of its beauty, rarity, and medicinal value. The new species is also similar to S. orgaadayi, which is distributed in the nearby Altai Mountains. Our genetic data support the close relationships among these three species. According to their allopathic distributions, we suggest that these three species are derived from the same ancestor but that they differentiated after reaching their current range. In addition, we propose that the new species might serve as an alternative to S. involucrata in medicine due to their very high similarity. However, this species appears to be rare because we only found six mature individuals in the field despite extensive investigations.

References

Jan 27, 1999·Bioinformatics·D Posada, K A Crandall
Aug 29, 2001·Bioinformatics·J P Huelsenbeck, F Ronquist
Sep 3, 2005·Phytochemistry·Stefan Martens, Axel Mithöfer
May 10, 2007·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar

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