Search academic texts

Information × Registration Number 0206U000083, 0101U000319 , R & D reports Title Polyporate palynostructures, its morphology, classification and distribution in the system of dicotyledons popup.stage_title Head Savyts'kyj Volodymyr Dmytrovych6120, Registration Date 11-01-2006 Organization M.G. Kholodny Institute of Botany NASU popup.description2 The search of polyporate pollen grains of representatives of world flora dicotyledons is conducted. As a result of searching researches among representatives of 457 familiae the porate apertures are discovered in 110 familiea. After the analysis of the variety of found out palynostructures the 50 types of pollen with porate apertures are set within the limits of the modern system of dicotyledons. Two basic levels of evolutional differentiation of apertures are set and the conception of evolution and phylogeny of polyporate pollen is firstly formulated. Product Description popup.authors popup.nrat_date 2020-04-02 Close