TITLE:
The Anatomical Structure of Vegetative Organs Lavandula officinalis Chaix in the Introduction of Tashkent Botanical Garden
AUTHORS:
Durdona K. Fakhriddinova, Tashkhanim R. Rakhimova, Feruza M. Dusmuratova, Guljan M. Duschanova, Sodikjon H. Abdinazarov, Ismatjon N. Samadov
KEYWORDS:
Anatomy, Vegetative Organs, Introduction, L. officinalis, Tashkent Botanical Garden
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.11 No.4,
April
26,
2020
ABSTRACT: The article presents the results of research carried
out by light microscopy of the anatomical structure of vegetative organs (leaf,
root and stem) Lavandula officinalis Chaix of the family Lamiaceae introduced into the conditions of the Tashkent
Botanical Garden of the Republic of Uzbekistan. Our studies have shown that the
presence or absence of trichomes can serve as an
informative sign. In L. officinalis trichomes are simple unicellular two-terminal; three-terminal and multi-terminal.
Lavender leaf hairs accumulate essential oils under the cuticle of secreting
cells, the cuticle are tightly attached to the membranes of the secretory cells due to the
absence of excretion products. Based on the results of a study of the morphological
and anatomical features of the leaf of L.
officinalis, it has been established that the forms of covering hairs and essential
oil glands are of diagnostic value. In the epidermal, palisade and cortex
parenchymal cells of the vegetative organs, yellow-orange essential (lavender)
oil is noted. Identified diagnostic features that can be used in taxonomy and
can be used to identify plant materials can also be used to develop indicators
of authenticity in this type of raw material.