FIGURE 3 in Pollen and seed micro-morphology of the genus Polygala (Polygalaceae) in Iran

FIGURE 3. SEM micrographs of pollen grains of Iranian Polygala species:—P. monspeliaca: A) equatorial view of a whole grain; B) polar and equatorial views of three pollen grains; C) details of apertures and gibbous operculums—P. platyptera: D) intermediate view of a whole grain showing gibbous, reticulate opercula; E) polar view of a whole grain showing 11 apertures; F) details of aperture and operculum—P. hohenackeriana: G) Polar and equatorial view of 2 grains; H) Details of three colpi and gibbous, rugulate opercula; I) polar view of grain showing gemmas in luminas at apocolpium area; J) gemmas in apocolpium area—P. anatolica: K) polar and equatorial view of a whole grain showing verrucate ornamentation on apocolpium; L) intermediate view of a whole pollen grain.