Re: I.murrayana


 

The exact nature of 'Murrayana' is not yet resolved, but it appears to be an aneuploid versicolor or perhaps a hybrid with virginica. The chromosome number is 2n=80, instead of 108 as with versicolor. White versicolor is hard to achieve genetically because the species is essentially hexaploid, with three sets of chromosomes for pigment (and everything else) instead of one.


Sean Z
Zone 6a
SE Michigan



On Wed, Jun 22, 2016 at 6:58 PM, John Baumfalk j*@cox.net [iris-species] <i*@yahoogroups.com> wrote:
 

Hi El. There is no murrayana listed on SIGNA or in Brian Mathew's " The
Iris". It looks like a form of "Iris spuria subsp. carthaliniae".

John B
in Kansas

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