Xanthosoma atrovirens albo-marginatum is listed in a pdf I found of plants in Colombia, the name seems to have changed though. It's near the bottom of the page in the second alphabetical list.
http://www.cucutanuestra.com/t...
From Kartuz..
Xanthosoma sagittifolium 'Albomarginatum Monstrosum'
(Syn.: Xanthosoma atrovirens 'Variegatum Monstrosum'), Mickey Mouse Plant, Mouse Cup, Pocket Plant
http://www.kartuz.com/search=A...
Xanthosoma sagittifolium 'Variegatum Monstrosum'
Also sold as:
Xanthosoma atrovirens albomarginata
Xanthosoma 'Albomarginata'
Xanthosoma albomarginata
