تشریح و ریخت‌شناسی زیر‌طایفه‌ آگریمونینه از تیره گل ­سرخیان در ایران

نویسندگان

گروه زیست‌شناسی، دانشکده علوم، دانشگاه گیلان، رشت، ایران

چکیده
مطالعه حاضر به بررسی ساختار تشریحی برگ، صفات ریخت­شناسی گل، میوه و دانه زیرطایفه آگریمونینه از تیره گل­سرخیان، شامل دو سرده (Agrimonia وAremonia )، دو گونه (Agrimonia eupatoria و Aremonia agrimonioides) و سه زیر گونه ( A. eupatoria (subsp. eupatoria، A. eupatoria subsp. grandis و A. eupatoria subsp. asiatica) در ایران اختصاص دارد. ابتدا نمونه‌­های گیاهی جمع­آوری و سپس شناسایی شدند. برای مطالعه ساختار تشریحی، از برگ­های قاعده‌ای برش­های عرضی تهیه و از آن‌ها توسط میکروسکوپ نوری عکسبرداری شد. سپس صفات تشریحی برگ مورد ارزیابی قرار گرفتند. برای مطالعه صفات ریخت­شناسی گل، میوه و دانه­های رسیده به دقت مطالعه و توسط میکروسکوپ دیجیتالی عکسبرداری شدند. برای تعیین روابط بین گونه‌ها، 57 صفات از کل صفات مورد مطالعه از طریق آنالیز عددی به روش مولفه­های اصلی (PCA) مورد بررسی قرار گرفتند. نتایج آنالیز حاضر ضمن حمایت از رده­بندی فلورا ایرانیکا، بیانگر اهمیت صفات تشریحی برگ، ریخت­شناسی گل، میوه و دانه در تفکیک سطوح سرده، گونه و فروگونه­ای زیرطایفه آگریمونینه در ایران است.

کلیدواژه‌ها


عنوان مقاله English

Comparative anatomical and morphological investigations of the subtribe Agrimoniinae (Rosaceae) in Iran

نویسندگان English

Marzieh Beygom Faghir
Golnoush Shamshiri
Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
چکیده English

The present study was aimed to investigate foliar anatomy and flower, fruit and seed morphology of three subspecies of Agrimonia eupatoria (i.e. A. eupatoria subsp. eupatoria, A. eupatoria subsp. grandis and A. eupatoria subsp. asiatica) and the species of Aremonia agrimonioides, belonging to the subtribe Agrimoniiae (Rosaceae) in Iran. Firstly, plant specimens were collected and then identified on the basis of relevant references. For anatomical analysis, the cross sections of basal leaves of each taxon were prepared, studied by light microscopy and then photographed by means of a digital camera. For morphological analysis, the flower, achene and seed characters were carefully examined using digital microscopy. To determine the relationships among the taxa, 57 characters were included in the Principal Component Analysis (PCA). The results supported the classification proposed by Flora Iranica and showed the importance of leaf anatomical, flower, achene and seed morphological characters in separating inter-generic, intraspecific and interspecific relationships among the representatives of subtribe Agrimoniinea in Iran.


کلیدواژه‌ها English

achene
Leaf
seed
species
Taxonomy
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دوره 7، شماره 2 - شماره پیاپی 24
تابستان 1399
صفحه 242-255

  • تاریخ دریافت 18 خرداد 1405
  • تاریخ انتشار 18 خرداد 1405