A. Map depicting phenology data points, coloured by main area of occurrence (GA: red; LA: blue; ML: green) and populations where reward and visitation were studied (yellow triangles). B. Probing for nectar involved squeezing lobes and exerting force to push capillary tube to access nectar chamber. C. Cyathia bagged with micro-perforated cellophane bags experience similar light and temperature regimes to natural conditions. D. Visitation data was collected by observers positioned at a distance to minimize disturbance of potential floral visitors. All photographs by N. Ivalú Cacho.