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Journal of Systematics and Evolution ›› 2000, Vol. 38 ›› Issue (6): 551-556.

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YANG Qin-Er   

  • 出版日期:2000-11-10 发布日期:2000-11-10

Ranunculus wangianus Q. E. Yang, a new species from NW Yunnan, China and its karyotype

YANG Qin-Er   

  • Online:2000-11-10 Published:2000-11-10

Abstract: Ranunculus wangianus Q. E. Yang is described as new. This species, a hexaploid with 2n = 6x = 48, is different from its closet ally, R. yunnanensis, a diploid with 2n = 2x = 16, in the characters of foliage. It is also somewhat similar to R. felixii Lévl., but the latter is a tetraploid with 2n = 4x = 32, usually with only one basal leaf and the roots are thickened from base andfleshy.

Key words: Ranunculus wangianus Q. E. Yang, New species, Chromosome number, Karyotype