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-   -   More on the asymetrical L. Purpurata (http://www.orchidboard.com/community/cattleya-alliance/103540-asymetrical-purpurata.html)

Oyarzabal 05-22-2020 12:06 PM

More on the asymetrical L. Purpurata
 
I have been doing some research and I found this site for the University of Florida

PropG - Plant Propagation Glossary ? Environmental Horticulture ? University of Florida, Institute of Food and Agricultural Sciences ? UF/IFAS

Here are the results.
The phenomenon is called Variegation and can happen in leaves, flower, and fruits. There are different kinds of variegation.
-Normal. This is regular pattern in flowers.
-Pathological. These are the virus breaks
-Transposons. These are jumping genes and are genetic mosaics. They are not chimeras since they can transfer by seeds. A good example of this type is the maize multicolored corn cob.
-Chimeras. This is a changes in the cellular on of the meristem layers LI, LII, or LIII. Based on what layer the mutated cells are, chimeras can be:
-Periclinal (this is the most stable)
-Mericlinal (Unstable)
-Sectorial (half of all meristem layers have the mutation. This is semi stable)

I think my flower is one of the unstable types, so the whole thing will go away, or color will change withing flowers. Long and strange post, but I am a sucker for this things.

Roberta 05-22-2020 01:42 PM

Thanks for the research! Interesting! I also look forward to updates on your plant.

SouthPark 05-22-2020 02:56 PM

Definitely an interesting thing - flowers quite different than usual due to the cell behaviour - or arrangement or configuration.

These two photos of phals seen on the internet are worth to see!

Link 1

Link 2



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