Embryology of male reproductive structures of the genus Pinguicula L. (Lentibulariaceae)
AbstractIn order to gain greater knowledge about the embryology of the genus Pinguicula (Lentibulariaceae), a study of the development of male structures was conducted for a representative species of each subgenus. Embryological features concerning the development of the anther wall, microsporogenesis, microgametogenesis and pollen grains are described for the three species. These were generally consistent between them, and this evidence strongly supports the hypothesis that it is a monophyletic group. It does not support the division of the genus Pinguicula into three subgenera: Isoloba, Pinguicula and Temnoceras proposed by Casper (1966).
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