Abstract
Sedum plumbizincicola X.H. Guo et S.B. Zhou ex L.H. Wu (Crassulaceae), a new species restricted to lead–zinc mining areas in Zhejiang Province, China, is described and illustrated. This taxon belongs to sect. Sedum (H. Ohba) S.H. Fu based on the adaxially gibbous carpels and follicles. It superficially resembles S. alfredii Hance and three other Sedum species found in the same area, but differs from these other taxa in bearing 4-merous flowers. Differences in geographical distribution, growth habit, phenology, macromorphology, leaf and stem anatomy, as well as seed micromorphology among S. plumbizincicola, S. alfredii and other related taxa in the genus Sedum are also reported. nrDNA internal transcribed spacers (ITS) sequences from seven populations of S. plumbizincicola support the recognition of this as a taxonomic entity distinct from S. alfredii.
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Acknowledgments
This research was supported jointly by the International Scientific Collaborative Programme of the Ministry of Science and Technology of China (2010DFA92360), the National Natural Science Foundation of China (40821140539, 40871155), and the Program of Innovative Engineering of the Chinese Academy of Sciences (KSCX2-YW-G-053). A grant from Anhui Normal University is gratefully acknowledged. We extend special thanks to research scientists Xiao-quan Wang and Xian-zhao Kan. We thank Xia Pan, Jing Ren, Jie-xue Huang, Feng-jiao Nai, Li-ke Cheng, Li-qiang Zhou, Qi Luo, Ying Wang, Gui-jun Wang, Benqi Yu, Jinrong Hu, Jinghua Li and Naidong Chen for useful discussion regarding populations, habitat, and conservation. We also thank Dr S.A. Harris, Curator of the Oxford University Herbaria, UK, for helpful advice and discussions.
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Wu, L.H., Liu, Y.J., Zhou, S.B. et al. Sedum plumbizincicola X.H. Guo et S.B. Zhou ex L.H. Wu (Crassulaceae): a new species from Zhejiang Province, China. Plant Syst Evol 299, 487–498 (2013). https://doi.org/10.1007/s00606-012-0738-x
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DOI: https://doi.org/10.1007/s00606-012-0738-x