FIGURE 4 in A flower in paradise: citizen science helps to discover Thismia paradisiaca (Thismiaceae), a new species from the Chocó Biogeographic region in Colombia

FIGURE 4. Pollen morphology of Thismia paradisiaca; LM (A–D) and SEM (E–H) images. A. pollen grain without fuchsin staining (showing amb circular and thin intectate exine). B–D. Fuchsin-stained pollen grains (showing psilate sculpture and a single simple circular pore). E–F. Pollen grains (showing an amb circular to slightly elliptic, spherical shape and a single pore) H. Dehydrated pollen grains.