Abstract
Anatomic, morphological and physiological characteristics of the genus Zinnia L. have been studied in the climatic environments of the foothill zone of the Crimea. Xeromorphic features have been identified in the anatomical structure of the stem and leaf in the species Zinnia рeruviana L., Z. violacea Cav., and Z. haageana Regel. Comparative analysis of the genus Zinnia L. has shown that its species differ in the degree of lignification of their tissues and the intensity of pubescence. As for water scarcity, the most drought-resistant species has been found: Z. violacea Cav. (4.6%).
Highlights
One of the areas in the assessment of adaptation strategies in plants under abiotic stress conditions is a study of their physiological and anatomic/morphological structure
The goal was to evaluate the complex of anatomic and physiological features of the species introduced from the Northern, Central and South Americas: Zinnia peruviana L., Z. haageana Regel., and Z. violacea Cav. - those that ensure their adaptability to the climatic conditions of the foothill zone of the Crimea
W ater scarcity was assessed by the water deficit index according to the method of Litvinov
Summary
One of the areas in the assessment of adaptation strategies in plants under abiotic stress conditions is a study of their physiological and anatomic/morphological structure. Ключевые слова: род Zinnia L., Z. peruviana L., Z. violacea Cav., Z. Haageana Regel., анатомо морфологическое строение, анатомия листа, анатомия стебля, водный дефицит, засухоустойчивость
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