angelwing begonia looks very similar to mine ceept mine has red on the back of leaves and stem is red
http://www.ncfarmsinc.com/w-products/angelwingbegonia here is link I used to ID mine so have you seen yours
flower at all?know they like watered good& don't like pot bound.mine is from m step dads
plant and theirs is like 7 ft tall came home from visit with 4 cuttings
plant#4 is mother n law tounge or cast iron
plant.I know they will get mature and eventually
flower and my mom had one and did see it
flower once when
growing up was red looked like same size as leaf.will have to ask if she happens to have any pics to scan of it,don't recall seeing
plant around durring visit either.they are suppose to be hard to kill