Shokubutsugaku Zasshi
Online ISSN : 2185-3835
Print ISSN : 0006-808X
ISSN-L : 0006-808X
Cytological Studies in Subfamily Carduoideae (Compositae) of Japan XVII.
The Karyotype Analysis in Cacalia and Syneilesis
Hisao ARANO
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1964 Volume 77 Issue 909 Pages 86-97

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Abstract

1) The karyotype analysis is carried out on nine species, one subspecies of Cacalia and Syneilesis.
2) There can be found that Syneilesis palmata (or Cacalia krameri) is karyologically different from the member of Cacalia (Bucacalia) and shows to have a specific constitution of the karyotype.
3) All the members of the genus Cacalia studied are classified into four types from the view point of the karyotype and Sect. Bucacalia is subdivided into three different subtypes.
4) Most of the genus Cacalia studied have, in general, characteristic asymmetrical karyotypes which are derived from the higher polyploidization of a basic number of ten (or five).
5) A close phylogenic relationship between C. hastata ssp. farfaraefolia and C. hastata ssp. orientalis is suggested.
6) The relation between the genus Cacalia and the genus Syneilesis is discussed from the karyological stand point.

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© The Botanical Society of Japan
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