There are many islands densely forested in this part of Pantanal and with a different flora than that of the fields flooded in the rainy season. They are just 2-3 metres higher than the surrounding fields and during the dry season they don’t appear to be islands other than of a different kind of vegetation.
This was in fact the only amaryllis I found on the Pantanal. Perhaps my visit in the very end of the dry season is not the best of times for the amaryllis?
