That's good to know and maybe a start of another thread regarding this tendency?
Not just this plant but others as well. I, certainly, am interested in the answer to the question of temperature affecting coloration.
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Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)