Crown vetch, Securigera varia Family: Fabaceae Pollen grain morphology: tricolporate, prolate, spheroidal, microrugulate, tectate Pollen grain size: Equatorial: 26.59 µm by 24.1 µm Polar: 25.72 µm by 24.91 µm May 1, 2015Fabaceae, Uncategorizedcoronilla, crown vetch, Fabaceae, microrugulate, prolate, securigera, spheroidal, tectate, tricolporate, varia