This is very interesting indeed. I remember reading in Craig recently and was surprised ta the Watchera name, as the letter W is almost never used in Spanish, but thought it might be an Indian word. But since a "gua" in spanish is pronouced quite similarly to a gutteral "wha", then I think that your posting has got it right.
Looking at Rogozinski's Field list on the AfM web site, the locations he gives for Rog679 to Rog687 include Rio Guachara. So I woud expect that we will see the new "lindsayi" properly described by Rog and Plein shortly.
The photo that started this thread off does look very much like the photo in Craig, and looks like being of Rog687, which isn't at all like the plants that I have as lindsayi, and which I guess I should now rename them as sinforosensis.
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Chris43, moderator