Malvaceae in the flora of Egypt 2. Pollen morphology and its taxonomic significance

The pollen grains of 22 species bolonging to 10 genera of Malvaceae which are represented in the flora of Egyptwere studied using light microscope (LM). The pollen grains are spheroidal, relatively large with numerouspores scattered irregularly all over the grain, sculpturing is echinate. Pollen morphological differences werefound useful when combined with other gross morphological characters to distinguish between certain taxa.