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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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Data on the formation history and current taxonomic composition of the cycads collection is given. The structure and development dynamics of strobilas for all the Cycadales families are studied. The key for the identification on vegetative features of 6 species of Encephalartos is proposed. Types of leaflet venation of modern and fossil representatives of cycads genera are analyzed. Biochemical properties research identifies no evident distinctions between genera.