Pink hosta roots

I was unpotting some hosta seedlings today, and discarding those with 
poor root systems, when I came across two individuals with pinkish 
colored roots.  The color wasn't real intense, but still clearly 
pinkish.  Of course I saved these for some genetic studies, assuming 
they weren't some sign of disease.  Question: are there any hosta 
species with pink colored roots, and if not, has anyone else come 
across pinkish colored roots in hostas?  There was also another 
seedling with a nice purplish colored petiole, which isn't unusual, 
but, I'm wondering what might come about in future generations from 
crossing hostas with pinkish roots to hostas with purple/red petiols?

Joe Halinar
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