Figure 10.

LM (A) and SEM (B–I) micrographs of Atkinsonia ligustrina (MEL 2214054). A. Two triangular pollen grains in polar and equatorial view (normal types). One quadrangular pollen grain in polar and equatorial view (rare, abnormal). Two subcircular grains in polar view (aberrant types). B–D. Pollen grains in polar view (normal types). E. Subcircular aberrant pollen grain. F. Close-up of central polar area. G. Close-up of apex. H, I. Close-ups of mesocolpium. Scale bars – 10 µm (A), 1 µm (B–I).