1) The chromosome numbers and karyotypes were studied in seven species of Cynareae and one species of
Arnica.
2) The chromosome numbers of
Cephalanoplos setosum,
Cirsium tashiroi, C.
lineare and
Saussurea tanakae are here reported for the first time.
3) A close phylogenic relationship between the genus
Cephalanoplos and the genus
Cirsium is suggested from the karyotypical viewpoint.
4) The karyological difference between
Saussurea and
Cirsium was found from their chromosome morphologies.
5) The basic chromosome numbers of the genera belonging to Tribe Cynareae were discussed.
6)
Hemistepta lyrata,
Carduus crispus have characteristic karyotypes different from all the rest of Tribe Cynareae.
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