Scarlet pimpernel, Anagallis arvensis Family: Primulaceae Pollen grain morphology: tricolporate, striate Pollen grain size: 22.62 ± 2.01 µm by 20.97 ± 1.09 µm May 27, 2015primulaceae, Uncategorizedanagallis, arvensis, primulaceae, scarlet pimpernell, striate, tricolporate