Аннотация:ABOUT THE NEW TYPI OF LEAF ANATOMICAL STRUCTURE OF DICOTYLEDONS
The paper reports a new semiconcentric type of the anatomical leaf structure of dicotyledons. Leaves of 5 species of the genus Senecio have been investigated. They are found to be characterized by clear difference between adaxial and abaxial sides and a number of other distinctive features which are demonstrated in the description of the new leaf structure type.