St. John’s Wort, Hypericum perforatum
Family: Hypericaeae Pollen grain morphology: tricolporate, prolate, semitectate Pollen grain size: 20.49 µm by 19.76 µm
Tag Archives: semitectate
Red elderberry, Sambucus racemosa
Family: Adoxaceae Pollen grain morphology: spheroidal, long furrows, verrucate membranes, reticulate, semitectate Pollen grain size: Equatorial: 18.65 + 0.68 µm by 17.45 + 0.60 µm Polar:18.15 µm by 18.1 µm