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1802 Views 3 Replies Last post: Jul 25, 2013 8:51 AM by TRW RSS
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Jul 23, 2013 9:41 AM

Common Twayblade - variegated leaves

Recently found on chalk grassland in Oxfordshire.

I'm looking for a cause of the variegation, something I've not encountered before in a British Orchid.

Could it be the result of some viral infection?

Any information as to cause would be much appreciated.

Thank you.

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    Jul 24, 2013 6:34 PM (in response to TRW)
    Re: Common Twayblade - variegated leaves


    a viral infection as the cause would be my best guess too. It doesn't look like damage due to glyphosate application and other plants growing around it do not show similar symptoms.

    It is certainly unusual but given the size of the plant it is obviously not compromising the ability of the plant to photosynthesise and flourish.

    It looks like the flowers and inflorescence stalk are paler and showing variegation too.




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    • Currently Being Moderated
      Jul 24, 2013 9:27 PM (in response to JrF)
      Re: Common Twayblade - variegated leaves

      Very nice; very unusual.


      There are many causes of variegation in plants

      In this case, it is probably a sectorial chimera.


      I wrote an article describing a study day held by the Variegated Plant Group and Berkshire Group of the Hardy Plant Society on 27sep97. It includes an explanation of the various types of variegation, why some variegated plants come true from seed, and many other curious and interesting facts.

      I explain sectorial chimeras therein.


      (Yes, you can spell chimera 'chimaera' if you like!)



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