How large is it? An approximate length from tip of the nose to the rear end could possibly help.

From what I could find, Columbia is supposed to be a big supplier of cut-flowers to the States. I know you had tried already, but finding a definite location for the source of the flowers would be a big help. In case Columbia happens to be correct, here's the absurdly long list of amphibians of Columbia (which is fun to browse in any case) http://amphibiaweb.org/cgi-bin/amphi...isocc=Colombia

And here's the AmphibiaWeb search page that lets you sort by country AmphibiaWeb Database Search