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An Observation of Chromosome Numbers of Comfrey from Different Sources

Wang Guan-Lin, Li Zhen-Shan, Meng Qing-Xian   

  • Received:1900-01-01 Revised:1900-01-01 Online:1983-02-18 Published:1983-02-18
  • Contact: Wang Guan-Lin

Abstract:

 The present paper reports the results of cytological studies of three  samples of
comfrey introduced into China as forage plants.  It is found that the chromosome nu-
mbers of these three different samples of comfrey are the same, 2n = 40. This number
is consistant with that of the Symphytum peregrinum Ledeb. in literature, but different
from that of the other species.  Therefore from the view point of chromosome number
we consider preliminarily that these three samples  of  comfrey  are  identical  with
Symphytum peregrinum Ledeb.

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