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micromorphological study of epidermis and stomata in some stachys l. species (lamiaceae) from iran
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نویسنده
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akramifard somayeh ,afsharzadeh saeed ,akhavan roofigar azadeh
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منبع
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علوم زيستي گياهي - 2024 - دوره : 16 - شماره : 62 - صفحه:49 -58
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چکیده
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Stachys l. is a taxonomically complex and morphologically diverse genus within lamiaceae, comprising nearly 300 species worldwide, including 34 species reported from iran. despite its ecological significance and traditional medicinal uses, the micromorphological characteristics of its leaf surfaces, particularly the epidermis and stomata, have not been thoroughly investigated. in this study, 15 species of stachys were analyzed using light microscopy (lm) and scanning electron microscopy (sem) to explore their epidermal and stomatal features. measurements included stomatal length, width, and stomatal index (si) alongside qualitative assessments of surface ornamentation and stomatal types. the largest stomata were observed in s. pilosa, whereas s. ixodes had the highest si and s. obtusicrena the lowest. all species exhibited irregular epidermal cell outlines and a combination of anisocytic and diacytic stomatal types. these micromorphological characters, particularly when interpreted in combination with other morphological data, provide informative characters that can aid in the taxonomic identification and classification of stachys species.
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کلیدواژه
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stachys ,micromorphology ,leaf epidermis ,stomata ,light microscopy (lm) ,scanning electron microscopy (sem)
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آدرس
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university of isfahan, faculty of biological sciences and technology, department of plant and animal biology, iran, university of isfahan, faculty of biological sciences and technology, department of plant and animal biology, iran, agricultural research, education and extension organization (areeo), isfahan agricultural and natural resources research and education center, natural resources research division, iran
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پست الکترونیکی
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a.akhavan@areeo.ac.ir
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micromorphological study of epidermis and stomata in some stachys l. species (lamiaceae) from iran
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Authors
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Abstract
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stachys l. is a taxonomically complex and morphologically diverse genus within lamiaceae, comprising nearly 300 species worldwide, including 34 species reported from iran. despite its ecological significance and traditional medicinal uses, the micromorphological characteristics of its leaf surfaces, particularly the epidermis and stomata, have not been thoroughly investigated. in this study, 15 species of stachys were analyzed using light microscopy (lm) and scanning electron microscopy (sem) to explore their epidermal and stomatal features. measurements included stomatal length, width, and stomatal index (si) alongside qualitative assessments of surface ornamentation and stomatal types. the largest stomata were observed in s. pilosa, whereas s. ixodes had the highest si and s. obtusicrena the lowest. all species exhibited irregular epidermal cell outlines and a combination of anisocytic and diacytic stomatal types. these micromorphological characters, particularly when interpreted in combination with other morphological data, provide informative characters that can aid in the taxonomic identification and classification of stachys species.
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Keywords
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stachys ,micromorphology ,leaf epidermis ,stomata ,light microscopy (lm) ,scanning electron microscopy (sem)
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