Scanning electron microscopy (SEM) images of pollen grains A Desmopsis terriflora G.E.Schatz, T.Wendt, Ortiz-Rodr. & Martínez-Velarde, pollen grain without externally visible aperture(s) B exine sculpturing weakly rugulate to fossulate (-perforate) ornamentation C Desmopsis trunciflora (Schltdl. & Cham.) G.E.Schatz, pollen grain showing one (another one at the opposite side likely to be also present) aperture exine area D exine sculpturing weakly rugulate to fossulate (-perforate) ornamentation E Stenanona tuberculata G.E. Schatz & Maas, pollen grain without externally visible aperture(s) F exine sculpturing verrucate ornamentation.

 
 
  Part of: Martínez-Velarde MF, Rodrigues-Vaz C, Soulé V, Nge FJ, Schatz GE, Couvreur TLP, Ortiz-Rodriguez AE (2023) Desmopsis terriflora, an extraordinary new species of Annonaceae with flagelliflory. PhytoKeys 227: 181-198. https://doi.org/10.3897/phytokeys.227.102279