Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
These are PDFs; they take a minute or two to load.
Similar article; look on page 9, image (b) and if you stretch your imagination it looks like a very short version of the growth in question. http://onlinelibrary.wiley.com...
You could try using the key words 'ectopic growth Xanthosoma' and these PDFs should pop up in the search results.