Seen this mutation before?

One of the plants in my garden has a crazy mutation. At every internode, one bud is purple the other green. It's like this up and down the entire plant. I've seen pictures of leaves half green half yellow nothing about this mutation now. Anyone seen this before? I'll try to get some better pictures with the better camera if anyone interested. The two pictures of single nugs are frim the same internode. You could really tell the difference in these two pictures.
 

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