Foliar micromorphology of some selected species of the genus Artemisia and its taxonomic implications

Document Type : Research Paper

Authors

1 MSc Graduate, Department of Plant and Animal Biology, Faculty of Biological Sciences and Technology, University of Isfahan, Isfahan, Iran

2 Research Assistant Prof., Research Department of Natural Resources, Isfahan Agricultural and Natural Resources Research Center, Agricultural Research, Education and Extension Organization (AREEO), Isfahan, Iran

3 Associate Prof., Department of Plant and Animal Biology, Faculty of Biological Sciences and Technology, University of Isfahan, Isfahan, Iran

4 Assistant Prof., Department of Plant and Animal Biology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran

Abstract

Artemisia is a polymorphic and widespread genus from the Asteraceae family. This genus includes more than 500 species out of which 37 species have been reported from Iran. Widely distributed in the desert area of Iran that makes this genus as one of the main elements of the Irano-Turanian region. In this study, eight species of Artemisia from different parts of Isfahan province were analyzed using scanning electron microscopy (SEM) and light microscopy (LM) techniques based on both qualitative and quantitative features of foliar epidermal cells. Type of epidermal cells varied from polygonal to irregular and elongated in shape with wavy to smooth in margins. This study, defined three different types of stomata: anemocytic, anisocytic, and paracytic on both the adaxial and the abaxial sides of Artemisia leaves species. Six different types of both glandular and non-glandular trichomes including capitate, peltate, aduncate, tectorial, conical type, and stinging hair types were observed in these species.
 

Keywords


Article Title [فارسی]

ریزریخت‌شناسی برگ برخی از گونه‌های انتخابی جنس Artemisia  و کاربردهای آرایه‌شناختی آن

Authors [فارسی]

  • زهرا کربلایی 1
  • آزاده اخوان روفیگر 2
  • غلامرضا بلالی 3
  • علی باقری 4
1 دانش‌آموخته کارشناسی ارشد، گروه زیست‌شناسی گیاهی و جانوری، دانشکده علوم و فناوری‌های زیستی، دانشگاه اصفهان، اصفهان، ایران
2 استادیار پژوهش، بخش تحقیقات منابع طبیعی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان اصفهان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اصفهان، ایران
3 دانشیار گروه زیست‌شناسی گیاهی و جانوری، دانشکده علوم و فناوری‌های زیستی، دانشگاه اصفهان، اصفهان، ایران
4 استادیار گروه زیست‌شناسی گیاهی و جانوری، دانشکده علوم و فناوری‌های زیستی، دانشگاه اصفهان، اصفهان، ایران
Abstract [فارسی]

 Artemisia از نظر ریخت‌شناسی یک جنس متنوع و گسترده از تیره کاسنیان (Asteraceae) است. این جنس بیش از 500 گونه دارد که 37 گونه از آن در ایران گزارش شده و پراکندگی گسترده‌ این جنس در مناطق بیابانی ایران، آن را یکی از عناصر اصلی منطقه ایرانو-تورانی ساخته است. در این مطالعه، هشت گونه Artemisia از مناطق مختلف استان اصفهان با استفاده از روش‌های میکروسکوپ الکترونی روبشی (SEM) و میکروسکوپ نوری (LM) و براساس ویژگی‌های کمّی و کیفی سلول‌های اپیدرمی برگ، مورد تجزیه و تحلیل قرار گرفت. شکل سلول‌های اپیدرمی از نوع چندضلعی تا نامنظم متفاوت بوده و شکل آن در حاشیه سلول به صورت  موج‌دار تا صاف است. این مطالعه، سه نوع مختلف روزنه anemocytic، anisocytic  وparacytic  را در هر دو سطح رویی و زیرین برگ‌های گونه‌های  Artemisiaمشخص نمود. شش نوع کرک غده‌ای و غیرغده‌ای شامل رأسی (capitate)، سپری­شکل (peltate)، قلابی ­شکل (aduncate)، پوششی (xc)، مخروطی­ شکل (conical) و نیش‌دار (stinging) در این گونه ­ها مشاهده شد. در نهایت، با وجود این که تنوع ویژگی‌های ریزریخت­ شناسی برگ در بین گونه ­ها برای شناسایی گونه‌های این جنس مفید بود، اما برای طبقه‌بندی قابل اتکاء و دقیق‌تر، نیاز به ادغام داده‌های ریزریخت‌شناسی با سایر اطلاعات است.
 
 

Keywords [فارسی]

  • اصفهان
  • تیره آفتابگردان
  • روزنه
  • سلول‌های اپیدرمی
  • کرک
  • مطالعه میکروسکوپی
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Volume 22, Issue 2 - Serial Number 62
December 2021
Pages 273-285
  • Receive Date: 02 November 2021
  • Revise Date: 22 December 2021
  • Accept Date: 17 January 2022
  • First Publish Date: 17 January 2022