TITLE:
Adaptive Features of the Leaf of Juno vicaria (Vved.) T. Hall & Seisums in Different Ecological Conditions of Uzbekistan
AUTHORS:
Nargiza K. Rakhimova, Guljan M. Duschanova, Sodikjon Kh. Abdinazarov, Eldor E. Temirov, Sobitjon S. Nosirov, Ismat N. Samadov
KEYWORDS:
Anatomy, Leaf, J. vicaria, Surkhandarya Region Baysun Mountains, Introduction, Tashkent Botanical Garden, Uzbekistan
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.10 No.6,
June
18,
2019
ABSTRACT: The anatomical structure of the leaf of the Central
Asian endemic species of Juno vicaria,
growing in two different ecological conditions (Baysun Mountains of Surkhandary
region and Tashkent Botanical Garden of Uzbekistan) was analyzed and diagnostic
signs were determined. Also identified are adaptive mesomorphic and xeromorphic
signs from an environmental point of view. A species that grows in natural
habitat is dominated by more xeromorphic signs: a thickened outer wall of the
epidermis; numerous epidermal, spongy cells; submerged stomata; small,
multi-row sclerenchymal and collenchymal cells, which indicate a more
xeromorphic and adaptability, as well as the wide distribution of this species
to the natural growing conditions. In a species growing under the conditions of
introduction of the Tashkent Botanical Garden, more mesomorphic features
predominate: thin-walled, large, few epidermal, spongy cells; not immersed
stomata; large non multi-row sclerenchymal and collenchymal cells, which show that the
species is adapted to altered habitat conditions.