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The dried stamens of (a) Nymphaea lotus (bar scale = 0.5 cm) and (b) Nelumbo nucifera (bar scale = 0.5 cm). The scanning electron microscopy (SEM) analysis of pollen from (c,e) N. lotus (bar scale = 10 µm) and (d,f) N. nucifera (bar scale = 10 µm). The living specimens of (g) N. lotus and (h) N. nucifera from the natural habitats. Photo by Duangjai Tungmunnithum.
