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Morphological and micromorphological characterization of achenes in Ranunculus species in Iran | ||
| Rostaniha | ||
| دوره 25، شماره 2 - شماره پیاپی 71، اسفند 2024، صفحه 191-206 اصل مقاله (649.93 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22092/bot.j.iran.2024.367654.1405 | ||
| نویسندگان | ||
| Maneezheh Pakravan* 1؛ Behnam Hamzehee2؛ Minoo Ramezanali3 | ||
| 1Associate Prof., Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran | ||
| 2Associate Prof., Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran | ||
| 3MSc Graduate, Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran | ||
| چکیده | ||
| In this study, the morphology and micromorphology of achenes in the species of Ranunculus, the largest genus in the Ranunculaceae in Iran, were examined for the first time. Fifty-eight species were studied through herbarium samples using a stereomicroscope, and micrographs of the surface of the pericarp were taken with a Dino-Lite Digital Microscopy (DM) system. The characters studied included the number, size, and shape of the achene, as well as the shape and size of the beak and surface ornamentation of the achene. The fruit shapes ranged from circular, oval, and egg-shaped to triangular. Surface ornamentations varied from smooth and glossy to hairy, warty, and punctate. In addition, the length of the beak was found to be an important trait for distinguishing species groups. Based on these features, species groups were identified, and a key for identifying species of Ranunculus based mostly on achene characteristics considering leaves and life form characters was provided. In addition, considering diagnostic characteristics, differences and relationships among species were discussed here. | ||
| کلیدواژهها | ||
| Achene ornamentation؛ beak shape؛ micromorphology؛ Ranunculaceae؛ species group | ||
| عنوان مقاله [English] | ||
| بررسی ریختشناسی و ریزریختشناسی فندقه در گونههای آلاله در ایران | ||
| نویسندگان [English] | ||
| منیژه پاکروان1؛ بهنام حمزهای2؛ مینو رمضانعلی3 | ||
| 1دانشیار گروه علوم گیاهی، دانشکده علومزیستی، دانشگاه الزهراء، تهران، ایران | ||
| 2دانشیار مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران | ||
| 3دانشآموخته کارشناسی ارشد سیستماتیک گیاهی، گروه علوم گیاهی، دانشکده علومزیستی، دانشگاه الزهراء، تهران، ایران | ||
| چکیده [English] | ||
| در این مطالعه، ریختشناسی و ریزریختشناسی میوه در گونههای آلاله، بزرگترین جنس آلالهایان در ایران برای نخستین بار مورد بررسی قرار گرفت. میوههای 58 گونه از نمونههای هرباریومی با استفاده از استریومیکروسکوپ مطالعه و به کمک سیستم عکسبرداری میکروسکوپ دیجیتالی، میکروکروگرافهایی از سطح پریکارپ تهیه شد. صفات مورد مطالعه شامل تعداد، اندازه و شکل میوه، شکل و اندازه منقارو تزیینات سطح میوه بود. شکلهای میوه از دایرهای، بیضوی، تخممرغی تا مثلثی مشاهده شد. تزیینات سطح میوه از صاف و صیقلی تا کرکدار، زگیلدار و منقوط متفاوت بود. همچنین، طول منقار از صفات مهم جهت تعیین گروههای گونهای درنظر گرفته شد. بر این اساس، گروههای گونهای مشخص شد و کلید شناسایی نیز با کمک ویژگیهای میوه برای گونههای جنس ارایه شد. به علاوه، با استفاده از صفات تشخیصی، اختلاف و روابط گونهها مورد بحث قرار گرفت. | ||
| کلیدواژهها [English] | ||
| آلالهایان, تزیینات فندقه, ریزریختشناسی, شکل منقار, گروه گونهای | ||
| مراجع | ||
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