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Solving some ambiguities using micromorphological traits in some species of Campanula in the north and northwest of Iran | ||
| Rostaniha | ||
| دوره 23، شماره 2 - شماره پیاپی 67، اسفند 2022، صفحه 252-263 اصل مقاله (2.48 M) | ||
| نوع مقاله: Systematics and Biodiversity of Plants | ||
| شناسه دیجیتال (DOI): 10.22092/bot.j.iran.2022.360562.1334 | ||
| نویسندگان | ||
| Soheila Abdollahfard1؛ Fariba Sharifnia* 2؛ Sara Saadatmand3؛ Mostafa Assadi4؛ Iraj Mehregan3 | ||
| 1PhD Student, Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| 2Associate Prof., Department of Biology, North Tehran Branch, Islamic Azad University, Tehran, Iran | ||
| 3Associate Prof., Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran | ||
| 4Research Prof., Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), P.O. Box 13185-116, Tehran, Iran | ||
| چکیده | ||
| In the present research, scanning electron microscope (SEM) was employed to observe the outer perianth (sepal) of 14 species of Campanula (Campanulaceae) in the north and northwest of Iran through micromorphological studies. Hence, by a precise observation, the perianths were examined in terms of hairiness, hair shape, hair density and epidermal pattern, and then a table of traits was prepared. The species were further categorized into two groups: hairy and hairless; in terms of hairiness, into five groups: stellate, strigose, villouse, crispate, and hooked; and in terms of hair variations into five groups: striate, rugose, cup-shaped, papillate; and striate-papillate. According to the results, the species complex C. reuteriana and C. propinqua exhibit differences in terms of the hair type, perianth, as well as epidermal pattern of the perianth. Furthermore, based on the results of this research, the micromorphological studies of the epidermal pattern of perianth confirmed the separation of species complex C. trachelium from C. latifolia. In general, the present study revealed that, species are differentiated and identified via their micromorphological features. | ||
| کلیدواژه‌ها | ||
| Campanulaceae؛ C. propinqua؛ C. reuteriana؛ perianth epidermal pattern؛ SEM | ||
| عنوان مقاله [English] | ||
| رفع برخی ابهامات با استفاده از صفات ریزریخت‌شناسی در برخی گونه‌های Campanula در شمال و شمال‌‌غرب ایران | ||
| نویسندگان [English] | ||
| سهیلا عبداله فرد1؛ فریبا شریف نیا2؛ سارا سعادتمند3؛ مصطفی اسدی4؛ ایرج مهرگان3 | ||
| 1دانشجوی دکتری گروه زیست‌شناسی، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران | ||
| 2دانشیار گروه زیست‌شناسی، واحد تهران شمال، دانشگاه آزاد اسلامی، تهران، ایران | ||
| 3دانشیار گروه زیست‌شناسی، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران | ||
| 4استاد پژوهش مؤسسه تحقیقات جنگل‌ها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، صندوق پستی 116-13185، تهران، ایران | ||
| چکیده [English] | ||
| در این پژوهش، گلپوش خارجی (کاسبرگ) 14 گونه از جنس Campanula (گل‌استکانیان) با میکروسکوپ الکترونی نگاره (SEM) در شمال و شمال‌‌غرب ایران مورد مطالعات ریزریخت‌شناسی قرار گرفت. در مشاهدات مورد نظر، گلپوش‌ها از نظر وضعیت، شکل و تراکم کرک‌ها و همچنین الگوی اپیدرمی گلپوش بررسی و جدول صفات تهیه گردید. همچنین، گونه‌ها از نظر وضعیت کرک به دو گروه کرک‌آلود و بدون کرک و در رابطه با تنوع کرک به پنج گروه ستاره‌ای (stellate)، خمیده و زبر (strigose)، کرک بلند (villouse)، مجعد (crispate) و قلابی (hooked) و نیز براساس الگوی اپیدرمی گلپوش به پنج گروه مخطط (striate)، چروکیده (rugose)، فنجانی شکل (cup-shaped)، دارای برجستگی (papillate) و مخطط دارای برجستگی (striate-papillate) دسته‌بندی شدند. طبق نتایج به دست آمده در این بررسی، کمپلکس گونه‌ای C. reuteriana و C. propinqua تفاوت‌هایی را از نظر نوع کرک گلپوش و الگوی اپیدرمی گلپوش نشان دادند. همچنین در مطالعات ریزریخت‌شناسی الگوی اپیدرمی گلپوش، جدایی کمپلکس گونه‌ای C. trachelium از C. latifolia براساس نتایج به دست آمده در این تحقیق تایید می‌شود. به طورکلی، مطالعه حاضر نشان داد که گونه‌ها با صفات ریزریخت‌شناسی خود مشخص و متمایز می‌شوند. | ||
| کلیدواژه‌ها [English] | ||
| الگوی اپیدرمی گلپوش, گل‌استکانیان, میکروسکوپ الکترونی نگاره, C. propinqua, C. reuteriana | ||
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