You have what appears to be a Caladium bicolor in the same pot, it's very variable but the leaf shape doesn't look like correct. Is the other plant the one you mentioned being a different colour variety? That does look like C. bicolor
http://eol.org/pages/1082357/o...
The shape of the leaf is more like a Caladium Thai Hybrid ..
http://my.opera.com/Thachthaot...
http://www.google.co.uk/search...
