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In this study, pollen morphology of 11 taxa of Hosta in China, three Chinese species, five introduced species, and three cultivars, was observed by scanning electron microscopy (SEM) and compared with that of related genera (Hemerocallis, Agave, and Yucca). Pollen grains of Hosta were long-ellipsoidal or ellipsoidal, 20–65 × 52.5–142.5 μm in size, bilaterally symmetrical, and monosulcate on the distal...
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