A. triphyllum spathe color again

[Petra Schmidt]

I know I read that spathe color is an indication of male/femalness in A.
triphyllum but I don't remember where I read that, so my hunt is on...in the
meantime, what few A. triphyllums we had here this season did show a
correlation between sex and spathe color; granted, a small sample doesn't
prove anything.  Now, in general, can anyone tell me if they actually
checked the sex of the inflorescence and noted its spathe color?
Petra