FIGURE 8 in Morphology and anatomy of the exine in Saxifraga (Saxifragaceae)

FIGURE 8. SEM (a–f) and TEM (g, h) pictures of Type 5 exines. a) S. nigroglandulifera, whole grain in polar view, scale bar 10 μm; b) S. nigroglandulifera, equatorial view of exine, scale bar 3 μm; c) S. oresbia, whole grain in equatorial view, scale bar 10 μm; d) S. oresbia, equatorial view of exine, scale bar 3 μm; e) S. oresbia, showing rugulate exine surface, scale bar 3 μm; f) S. lychnitis, showing perforaterugulate exine surface, scale bar 3 μm; g) S. oresbia, showing discontinuous tectum, scale bar 1 μm; h) S. nigroglandulifera, scale bar 1 μm.