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I think you're right ceherzog. I'm not familiar with them but now I think this is one too.
http://www.projectnoah.org/spottings/660...
I think it might be a Dischidia species
http://www.bing.com/images/search?q=disc...
This looks like a silver dollar plant.
http://www.projectnoah.org/spottings/655...