THE ANATOMICAL STRUCTURE OF THE ABOVEGROUND VEGETATIVE ORGANS OF Solanum nigrum L.

The internal anatomical structure of the above-ground vegetative organs S. nigrum  from Georgian flora - a rich source physiologically active compounds, has been examined using conventional laboratory methods used in microtechnics. study revealed diagnostic markers prospective medicinal plant. nigrum's aboveground are covered with conical, multicellular, hooked villis and rare spheroidal glandular trichomes. Anisocytic type stomata apparatus is distinguished covering tissue organs, though anomocytic also observed. conductive system nigrum shoots monocyclic. Xylem contains network tracheidal  small-caliber spirally thickened large-caliber openings  vessels. bifacial leaves dorsoventral mesophyll, an amphistomatic structure, reverse-collateral conducting bundles. basal cells leaf's upper lower epidermis curvilinear have concave walls. A mixed form collenchyma observed petiole. outline transitional arcuate; collateral structure.&nbsp