Quelltext der Seite Diskussion:Psychotria viridis

Pollen: spheroide, triangular to square sized, elliptical, oblate (PoFormI about 0.83), tricolpate and tetracolpate pollen, isopolar, reticulate. Aperturmembranes are not ornamented. Medium-sized to large polar field . The " Australasian Pollen and Spores Atlas " lists several Psychotria species with different pollen classes: pantoporate, tricolporate, tricolpate and inaperturate. Interesting genus.
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