Common Mallow, Malva neglecta Family: Malvaceae Pollen Grain Morphology: Periporate, echinate with long spines Pollen Grain Size: (polar) 73.9 + 1.8 µm by 70 + 1.3 µm January 19, 2015Malvaceae, UncategorizedCommon Mallow, echinate, Malva neglecta, Malvaceae, periporate, pollen, pollen grain