Tepuia tatei pollen (from Luteyn & Steyermark 9595). Top: polar view of tetrad; middle: equatorial view; bottom: close-up of exine (top and middle bar = 10 µm; bottom bar = 1 µm). Redrawn from Flora Neotropica Monographs 66: 356, fig. 4D-F. 1995.