期刊
PLANT SYSTEMATICS AND EVOLUTION
卷 299, 期 3, 页码 487-498出版社
SPRINGER WIEN
DOI: 10.1007/s00606-012-0738-x
关键词
Sedum plumbizincicola; Crassulaceae; New species; Morphological data; nrDNA ITS sequence data
资金
- Ministry of Science and Technology of China [2010DFA92360]
- National Natural Science Foundation of China [40821140539, 40871155]
- Chinese Academy of Sciences [KSCX2-YW-G-053]
- Anhui Normal University
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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