Anatomical studies on the genus Blumea DC. (Asteraceae, Inuleae, Paniculatae) in Peninsular India

Document Type : Research Paper

Authors

Centre for Post Graduate studies and Research in Botany, St. Joseph’s College (Autonomous), Devagiri, Kozhikode-673008

10.22092/ijb.2023.360944.1397

Abstract

The genus Blumea is one of the largest genera in the tribe Inuleae. In this study, stem and leaf anatomical features of the genus Blumea in the section Paniculatae DC. of Randeria are investigated. Blumea laciniata DC., B. barbata DC., B. sessiliflora Decne., B. membranacea DC., B. axillaris DC., B. virens Wall. ex DC., B. lacera (Burm.f.) DC., and B. fistulosa Kurz. are the eight species present in the Peninsular Indian region. The samples collected from different areas of Peninsular India were studied anatomically using the conventional method. The results revealed that generally the species share similar anatomical characteristics but there are some remarkable differences. With respect to the results, trichome morphology appears to be of taxonomic value. The species can be separated on the basis of trichome types, the presence of secretory canals, and the layer of palisade tissue. An identification key to the taxa is provided based on the anatomical features of the leaf and stem.

Keywords

Article Title [Persian]

مطالعات تشریحی جنس Blumea DC. (Asteraceae, Inuleae, Paniculatae) از شبه جزیره هند

Authors [Persian]

  • موتالاویتیل دیلشا
  • نادوویلاک کان دییل انجالی
  • Satheesh George
PG and Research Department of Botany, St. Joseph's College (Autonomous), Devagiri, Calicut
Abstract [Persian]

جنس Blumea یکی از بزرگترین جنس­های قبیله Inuleae است. در این مطالعه صفات تشریحی برگ و ساقه جنس Blumea در بخش Paniculatae در سیستم رده­بندی Randeria مورد بررسی قرار گرفته است. گونه­‌های Blumea laciniata DC., B. barbata DC., B. sessiliflora Decne., B. membranacea DC., B. axillaris DC., B. virens Wall. ex DC., B. lacera (Burm.f.) DC., B. fistulosa Kurz. هشت گونه‌­ای هستند که در شبه جزیره هند حضور دارند. نمونه‌­های جمع‌­آوری شده از مناطق مختلف هند با استفاده از روش­های معمول مورد بررسی تشریحی قرار گرفتند. نتایج نشان دادند که همه گونه­‌ها دارای صفات تشریحی مشابهی هستند ولی تفاوت­های جالب توجهی نیز در میان آنها وجود دارد. با توجه به نتایج مشخص شد که ریخت‌­شناسی کرک­ها دارای ارزش تاکزونومیکی است و همچنین گونه­‌ها می­توانند بر اساس انواع کرک، حضور کانال­های ترشحی و لایه بافت نردبانی از یکدیگر تفکیک شوند. بر اساس صفات تشریحی، یک کلید برای شناسایی گونه‌­ها ارایه می­گردد.

Keywords [Persian]

  • Stem anatomy
  • leaf anatomy
  • trichomes
  • Blumea, sect. Paniculatae
  • Asteraceae
  • India

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The Iranian Journal of Botany
Volume 29, Issue 1
June 2023
Pages 47-59

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History

  • Receive Date: 23 December 2022
  • Revise Date: 03 March 2023
  • Accept Date: 31 May 2023

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