Paper birch, Betula papyrifera
Family: Corylaceae Pollen Grain Morphology: Psilate, indistinctly tectate, triporate Pollen Grain Size: 24.7 + 1.0 µm by 22.6 + 0.9 µm
Tag Archives: triporate
Ozark Sundrops, Oenothera macrocarpa
Family: Onagraceae Pollen Grain Morphology: Strongly protruding pores, triporate, viscid hairs in fresh specimens Pollen Grain Size: (polar) 237.7 µm by 210 µm