Purply houseplant

This was another plant foisted upon me by a near-stranger (friend of a friend) while I was protesting, but it ended up getting big and being interesting. I've looked at sets of houseplant photos for it, but haven't found it. I'm hoping someone will know.

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I got feedback!

Setcreasea pallida Purple Heart Commelinaceae

Thanks to people knowing everything on facebook! :-) http://www.plantoftheweek.org/week276.shtml