A comparative chromosomal study of three Rhodiola species (Crassulaceae) collected in central Tianshan Mountains, Xinjiang, China :

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  • A comparative chromosomal study of three Rhodiola species (Crassulaeae) collected in central Tianshan Mountains, Xinjiang, China
  • comparative chromosomal study of three Rhodiola species Crassulaeae collected in central Tianshan Mountains Xinjiang China
  • A comparative chromosomal study of three Rhodiola species (Crassulaeae) collected in central Tianshan Mountains, Xinjiang, China

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Abstract

Chromosomal characters of three Rhodiola species (R. gelida, R. quadrifida and R. aff. litwinowii) collected in central Tianshan Mountains in Xinjiang, China, had commonly the simple chromocenter type in the resting chromosomes and the proximal type in the mitotic prophase chromosomes. Rhodiola gelida and R. quadrifida showed the chromosome number of 2n=20 and R. aff. litwinowii showed the chromosome number of 2n=16. The chromosome numbers of R. gelida and R. aff. litwinowii were reported here for the first time, and the chromosome number of R. quadrifida verified the previous report. Rhodiola gelida and R. quadrifida had monomodal (gradual) decrease in chromosome length from the largest to the smallest chromosomes in alighment and R. aff. litwinowii had bimodal decrease in chromosome length.

Journal

  • Chromosome Science

    Chromosome Science 7 (2), 55-60, 2003

    The Society of Chromosome Research

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