A giant form of concolor from Mexico with the same general characteristics as the typical form, but reaching nearly a foot across. A desert dweller with a restricted range, it can be seen growing on cacti and Acacia in the extremely harsh country near Cuicatlan, Oaxaca. Stiff yellowish-green foliage tints reddish in the sun, and a shiny multiple branched spike of yellow to red with pink flowers. An outstanding plant.
Note: It is suggested by the BSI that this is a natural hybrid of unknown parentage. I doubt that. The plants are abundant in habitat but of limited range and they vary little. I believe that this is just a large and attractive clone or possibly form of the species. The ‘normal’ form does not seem to occur within the range of ‘Cuicatlan‘.