Photomicrographs and electron photomicrographs of pollen grains of the species of Passiflora. A, B Passiflora amoena C, D Passiflora fuchsiiflora E, F Passiflora jussieui G, H Passiflora ovata I, J Passiflora quelchii K, L Passiflora tessmannii A, C, E, G, K general aspect of polar view B, F, H, I, L general aspect of equatorial view, D and J ornamentation detail. Scale bars: 10 µm (C, E, F, G, H, I, K, L); 5 µm (A, B, J); 1 µm (D).