Fig. 1 in The uncinate viscidium and floral setae, an evolutionary innovation and exaptation to increase pollination success in the Telipogon alliance (Orchidaceae: Oncidiinae)

Fig. 1 Floral morphology of Telipogon peruvianus: a frontal view of a flower; b lateral view showing the uncinate viscidium (arrow); c close-up of the central area with details of the reduced callus and the setae on the corolla bottom (arrow). Photographs by Manfred Ayasse