Herts N. Biology of flowering and embryology of the genus Acer L. due to changes in sex

The classification of types of buds and shoots, which is based on structural features of vegetative and generative organs. First for the genus Acer established stages of organogenesis different gender types of flowers and inflorescences. A study of reproductive biology of seven species of the genus Acer signs of sex change. Established seasonal and daily rhythm in the flowering specimens of normal and signs of sex change. A peculiar type of fruit classification, which is based on the angle of divergence in wing size. The features of flower and inflorescence morphology, biology, blossom, embryological processes and the type of fruit for sex change.