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Seed morphology and micromorphology of Prangos species in Iran | ||
| Rostaniha | ||
| دوره 23، شماره 2 - شماره پیاپی 67، اسفند 2022، صفحه 180-198 اصل مقاله (1.87 M) | ||
| نوع مقاله: Systematics and Biodiversity of Plants | ||
| شناسه دیجیتال (DOI): 10.22092/botany.2022.359261.1313 | ||
| نویسندگان | ||
| Raziyeh Zarei* 1؛ Valiollah Mozaffarian2؛ Mansour Afshar Mohammadian3 | ||
| 1PhD Student, Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran | ||
| 2: Research Prof., Department of Botany, Research Institute of Forests and Rangelands, IR-13185-116, Tehran, Iran | ||
| 3Associate Prof., Department of Biology, Faculty of Science, University of Guilan, P.O. Box 41335-1914 Rasht, Iran | ||
| چکیده | ||
| The seed morphology of 15 species of Prangos (Apiaceae) from Iran has been examined using light and scanning electron microscopies. Macro- and micromorphological features, including seed shape, color, size, epidermal cell shape, anticlinal boundaries, outer periclinal cell wall, and characteristics of outer cell walls have been investigated. Based on epidermal cell size, cell arrangement, cell anticlinal and periclinal walls; three types of anticlinal cell wall boundaries were recognized. The study showed that, the seed coat ornamentation pattern could be helpful in identification of species. The purpose of this study was to describe and compare external seed morphological characteristics of Prangos species and to evaluate their possible use for taxonomic considerations. In addition, based on the seed exomorphic criteria extracted from LM and SEM, an artificial key to the species of the genus is provided. | ||
| کلیدواژه‌ها | ||
| Apiaceae؛ Apioideae؛ micromorphology؛ seed coat؛ SEM؛ Ulopterae | ||
| عنوان مقاله [English] | ||
| بررسی ریخت‌شناسی و ریزریخت‌شناسی بذر گونه‌های جنس Prangos در ایران | ||
| نویسندگان [English] | ||
| راضیه زارعی1؛ ولی اله مظفریان2؛ منصور افشار محمدیان3 | ||
| 1دانشجوی دکتری گروه زیست‌شناسی، دانشکده علوم، دانشگاه گیلان، رشت، ایران | ||
| 2استاد پژوهش مؤسسه تحقیقات جنگلها و مراتع کشور، تهران، ایران | ||
| 3دانشیار گروه زیست‌شناسی، دانشکده علوم، دانشگاه گیلان، رشت، ایران | ||
| چکیده [English] | ||
| ریخت‌شناسی بذر 15 گونه Prangos (چتریان) از ایران با استفاده از میکروسکوپ نوری و الکترونی روبشی مورد بررسی قرار گرفته است. ویژگی‌های ریخت‌شناسی و ریزریخت‌شناسی شامل شکل بذر، رنگ، اندازه، شکل سلول‌های اپیدرمی، مرزهای آنتی‌کلینال، دیواره سلولی بیرونی پریکلینال و ویژگی‌های دیواره‌های سلولی خارجی مورد بررسی قرار گرفت. براساس اندازه سلول‌های اپیدرمی، آرایش سلولی، دیواره‌های آنتی‌کلینال و پریکلینال، سه نوع مرز دیواره سلولی شناسایی شد. این مطالعه نشان داد که الگوی تزیینات پوشش دانه می‌تواند در شناسایی گونه‌ها مفید باشد. هدف از این مطالعه، توصیف و مقایسه ویژگی‌های ریخت‌شناسی سطح خارجی بذر گونه‌های Prangos و ارزیابی کاربرد احتمالی آن‌ها برای مطالعات رده‌بندی می‌باشد. همچنین، براساس معیارهای شکل خارجی بذر به دست آمده از میکروسکوپ نوری و الکترونی روبشی، یک کلید مصنوعی برای گونه‌های جنس مورد نظر ارایه گردید. | ||
| کلیدواژه‌ها [English] | ||
| ریزریخت‌شناسی, پوشش دانه, چتریان, SEM, Apioideae, Ulopterae | ||
| مراجع | ||
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