Pollen: spheroid, round, isopolar, verrucate to scabrate. Aperturmembranes are ornamented grainy. Some PK with more than three colpi found. According to Beug there are PK with 3, 6 and 12 colpi. PK with 4 colpi or as syncolpate or pericoplate are also possible. Small polar field (PolFeldI about 0:23).