Peculiarities of gynoecium and ovule structure in representatives of genera Cerasus, Microcerasus and Amygdalus (Rosaceae)

As a result of Amygdalus nana plant flowers structure study, when introduced in the middle taiga subzone of the Komi Republic, its conformity to the species features of the plant is shown. The authors also note teratological changes, expressed in the abnormal development of sterile or fertile flower structures. The number of petals increases, their edges become wavy; stamens transform into petals, there is pistil underdevelopment, etc. The life cycle of A. nana flowers was traced in the conditions of the North, the duration of the phases of their development was determined (Phase I - dense green bud, II phase of pink bud, III phase - beginning of blossoming flower, IV phase - full blossoming of the flower and V phase - fading). The features of the fruiting process of A. nana are shown, where degeneration of fertilized ovules is noted, which is due to the possible violation of different stages of embryogenesis. In this case, a significant number of anomalies in the fertile parts of the flower, possibly, lead to a small number of fruits on plants. The analysis of the A. nana flower structure in the middle taiga subzone of the Komi Republic gives additional information on the intraspecific changes in the reproductive structures of this plant; the results obtained can serve as additional information for establishing anthocological differences within the taxon.

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Peculiarities of gynoecium and ovule structure in representatives of genera Cerasus, Microcerasus and Amygdalus (Rosaceae)

Cited by 2 publications

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Study on the reproductive organs development and embryological features of Agrimonia eupatoria L. (Rosaceae)

Study on the reproductive organs development and embryological features of Agrimonia eupatoria L. (Rosaceae)

<i>Amygdalus nana</i> L. reproductive structures features study when introduced in the North

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