Solving some ambiguities using micromorphological traits in some species of Campanula in the north and northwest of Iran

Document Type : Systematics and Biodiversity of Plants

Authors

1 PhD Student, Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran

2 Associate Prof., Department of Biology, North Tehran Branch, Islamic Azad University, Tehran, Iran

3 Associate Prof., Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran

4 Research Prof., Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), P.O. Box 13185-116, Tehran, Iran

10.22092/bot.j.iran.2022.360562.1334

Abstract

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.
 
 

Keywords

Article Title [Persian]

رفع برخی ابهامات با استفاده از صفات ریزریخت‌شناسی در برخی گونه‌های Campanula در شمال و شمال‌‌غرب ایران

Authors [Persian]

  • سهیلا عبداله فرد 1
  • فریبا شریف نیا 2
  • سارا سعادتمند 3
  • مصطفی اسدی 4
  • ایرج مهرگان 3
1 دانشجوی دکتری گروه زیست‌شناسی، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
2 دانشیار گروه زیست‌شناسی، واحد تهران شمال، دانشگاه آزاد اسلامی، تهران، ایران
3 دانشیار گروه زیست‌شناسی، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
4 استاد پژوهش مؤسسه تحقیقات جنگل‌ها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، صندوق پستی 116-13185، تهران، ایران
Abstract [Persian]

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.
 
 

Keywords [Persian]

  • الگوی اپیدرمی گلپوش
  • گل‌استکانیان
  • میکروسکوپ الکترونی نگاره
  • C. propinqua
  • C. reuteriana

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Rostaniha
Volume 23, Issue 2 - Serial Number 67
December 2022
Pages 252-263

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History

  • Receive Date: 11 November 2022
  • Revise Date: 24 December 2022
  • Accept Date: 31 December 2022

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