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Endosperm and embryo development in cynoglossum officinale



Endosperm and embryo development in cynoglossum officinale



Acta Biologica Cracoviensia Series Botanica 19(1): 47-58



Observations on the endosperm development show that the processes taking place in C. officinale differ from those in C. amabile and C. denticulatum (Millsaps 1940, Khaleel 1974). After the 1st division of the primary endosperm nucleus the cell plate is not formed. Still, in the stage of 2 nuclei the micropylar and chalazal chambers could be distinguished. The micropylar chamber was filled with endosperm cells while in the chalazal, free nuclear divisions continued for a long time. The embryo development in the present material, like in C. denticulatum, showed slight deviations from the pattern suggested by Crete (1955) for C. officinale, thereby showing taxonomic difference.

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Accession: 005359795

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