Abstract
ABSTRACT This study examined how the wild halophyte Limoniastrum guyonianum adapts to varying Saharan environments in Algeria (El-Manaia, Ouargla, Djamaa). Thirty plant individuals and their adjacent soil samples were collected from each region. Morphological measurements were taken, and stem and leaf cross-sections were analysed using (Image j) software. Compared to El-Manaia, plants in Djamaa, a more saline area 7705.477 ms/cm, exhibited significantly thicker twigs, leaves, and stems, along with increased stem circumference and height. Anatomically, Djamaa plants had enhanced conductive tissue, and palisade parenchyma thickness, along with denser cuticle, stronger collenchyma, and more developed leaf secretion glands compared to El-Manaia. Similar patterns were observed in stem anatomy, with Djamaa showing increased phloem, collenchyma, conductive vessels, and sclerenchyma. These results demonstrate the significant impact of salinity and drought on the morpho-anatomcal character of L. guyonianum. These adaptations are crucial to the survival and development of the plant in harsh environments.
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