Re: ploidy

Michael Hasemann (jmh@tko.vtt.fi)
Thu, 12 Jan 1995 09:42:54 +0200 (EET)

>
>
> There are some polyploid series in _Pinguicula_, e.g. x=8: 2x=2n=16
> _P.corsica_ 4x=2n=32
> _P.grandiflora_/_P.longifolia_/_P.balcanica_/_P.leptoceras_ etc.
> 8x=2n=64 _P.vulgaris_
>
> BTW: Michael, do you have a reference for _P.vulgaris_ with 2n= other
> than 64?

Jan, I checked my reference. You are right! It was not P.vulgaris which
has different levels of ploidy but the European species of Pinguicula
which have a higher level of ploidy in the North and a lower one in the
South. The reference is Casper 1966. Sorry for my ignorance.

..Michael
>
> In the collective species _P.crystallina_ (incl. _P.hirtiflora_),
> individuals with 2n=24, 32, and 48 have been found (without morphological
> or geographic correlation to chromosome numbers).
>
>
> Kind regards
> Jan

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  Michael Hasemann | Technical Research Centre of Finland - Automation
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