Black locust, Robinia pseudoacacia Family: Fabaceae Pollen grain morphology: tricolporate, subprolate, psilate Pollen grain size: Equatorial: 32.66 µm by 29.44 µm Polar: 39.115 + 3.61 µm by 36.01 + 0.73 April 30, 2015Fabaceae, Uncategorizedblack locust, fabacaeae, pseudoacaia, psilate, robinia, subprolate, tricolporate