HAVE: Epiphyllum 'Grace Ann'
My potted Epi tipped over and 2 pieces broke off. I will cut off one extra piece, so you can start a nice pot with 3 pieces in it. "Grace Ann" has XL beautiful purple flowers. The stems on mine are wide with a slight pink edge.
There is a pic on this site if you do a search under Cacti & Succulents, and search for "epiphyllum bloom"
Or try link below to get to the same pic:
Check out my trade list.
Here is a link that might be useful: epiphyllum bloom