Anatomical study of the petiole in the tribe Echinophoreae (Apiaceae)

Document Type : Research Paper

Authors

1 PhD Student in Plant Systematics, Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran 15719-14911, Iran

2 Prof., Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran 15719-14911, Iran

3 Assistant Prof., Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran 15719-14911, Iran

10.22092/bot.j.iran.2025.371051.1440

Abstract

The tribe Echinophoreae (Apiaceae) comprises six genera and 28 species. The distribution of this tribe extends from southwestern Asia in a southwesterly direction to Guinea in western Africa, and in India also. Despite considerable morphological diversity, the phylogenetic relationships within the tribe remain largely unresolved. The present anatomical study focuses on examining the petiole anatomical characteristics of the tribe. For this purpose, herbarium specimens of eight species from four genera were evaluated. Cluster analysis revealed two main lineages within the tribe. In one lineage, Anisosciadium orientale and Dicyclophora persica were grouped together due to their similarity in petiole shape and comparable thickness in the xylem and phloem tissues, while Thecocarpus meifolius also showed close affinity with these two species based on the shape of the petiole and the structure of the vascular bundles. In the second lineage, all species of the genus Echinophora clustered together. It seems that, the differences in the thickness of the cuticle, epidermis, phloem, and xylem are among the most important distinguishing characteristics between these two branches.
 
 

Keywords

Main Subjects


Article Title [Persian]

مطالعه صفات تشریحی دمبرگ در قبیله خوشاریزه (چتریان)

Authors [Persian]

  • زینب مرادیان پوده 1
  • فرخ قهرمانی‌نژاد 2
  • مهرشید ریاحی 3
1 دانشجوی دکتری سیستماتیک گیاهی، گروه علوم گیاهی، دانشکده علوم زیستی، دانشگاه خوارزمی، تهران، 14911-15719، ایران
2 استاد گروه علوم گیاهی، دانشکده علوم زیستی، دانشگاه خوارزمی، تهران، 14911-15719، ایران
3 استادیار گروه علوم گیاهی، دانشکده علوم زیستی، دانشگاه خوارزمی، تهران، 14911-15719، ایران
Abstract [Persian]

قبیله خوشاریزه (چتریان) دارای شش جنس و 28 گونه است. پراکنش این قبیله در گستره‌ای از جنوب‌غربی آسیا و به سمت جنوب‌غربی تا گینه در غرب آفریقا گسترش یافته و در هند نیز یافت می‌شود. با وجود تفاوت‌های زیاد در بخش ریخت‌شناسی، هنوز ابهامات زیادی در روابط فیلوژنتیکی آن وجود دارد. پژوهش حاضر با رویکرد تحلیلی، به بررسی این قبیله براساس شاخص‌های تشریحی دمبرگ پرداخته است. برای این منظور، نمونه‌های هرباریومی هشت گونه از چهار جنس مورد ارزیابی قرار گرفتند. نتایج حاصل از تجزیه و تحلیل خوشه‌ای، دو شاخه اصلی را در این قبیله نشان داد. در یک شاخه گونه‌های Anisosciadium orientale و Dicyclophora persica با صفت شکل دمبرگ و ضخامت بسیار نزدیک در چوب و آبکش در کنار هم قرار گرفتند و Thecocarpus meifolius نیز به‌ خاطر شکل دمبرگ و شکل دستجات آوندی به این دو گونه قرابت بالایی نشان داد. در شاخه دوم نیز همه گونه‌های جنس Echinophora به خوبی در کنار هم قرار گرفتند. به نظر می‌رسد تفاوت در ضخامت کوتیکول، اپیدرم، آبکش و چوب از مهم‌ترین صفات متمایزکننده این دو شاخه باشد.

Keywords [Persian]

  • Anisosciadium
  • Dicyclophora
  • Echinophora
  • Thecocarpus
  • Umbelliferae
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Volume 26, Issue 2 - Serial Number 73
December 2025
Pages 171-184
  • Receive Date: 16 October 2025
  • Revise Date: 15 November 2025
  • Accept Date: 26 November 2025
  • Publish Date: 22 December 2025