Systematic application of androecium morphology at the infra-generic classification of the genus Fritillaria (Liliaceae)

Document Type : Research Paper

Authors

Department of Biology, Payame Noor University, Tehran, Iran

10.22092/ijb.2024.366712.1484

Abstract

The systematic state of the genus Fritillaria at the subgeneric level has been the subject of long debate. The genus was classified into various subgenera ranging from two to ten in different morphological e.g., bulbs, style, nectaries, and capsule, Karyological, and molecular studies. In this study scanning electron microscopy imaging of the filament and anther was used to revise the systematics of the genus at the subgeneric level. Several quantitative and qualitative characteristics including filaments' morphology, length, color, ornaments, and anthers' length, color, and attachment were studied in 27 Fritillaria species. For the species under study, a clustering dendrogram was constructed based on these characters, and a phylogenetic tree was built using a phylogenetic backbone based on the botanical nomenclature of The Plant List in R software. The results showed some correspondence between the dendrogram and phylogenetic tree, indicating the relative usefulness of filament and anthers' ultrastructure characters in the systematics of Fritillaria at the subgeneric level. Moreover, both trees were correspondent in suggesting that the members of subgenus Fritillaria were not monophyletic, and a sister relationship between the subgenera Petilium and Theresia.

Keywords

Article Title [Persian]

کاربرد سیستماتیک مورفولوژی نافه گل در سطح زیر جنس در (Fritillaria (Liliaceae

Authors [Persian]

  • فاطمه محسن نژاد
  • غلامرضا بخشی خانیکی
دانشکده علوم، گروه زیست شناسی، دانشگاه پیام نور، تهران، ایران
Abstract [Persian]

وضعیت سیستماتیک جنس Fritillaria در سطح زیرجنس موضوع بحث‌های طولانی بوده است. این جنس از نظر ریخت‌شناسی پیاز، خامه، نوش‌جای و کپسول، مطالعه هسته و تیمارهای مولکولی به دو تا ده زیرجنس‌ طبقه‌بندی شده است. در این مطالعه از میکروسکوپ الکترونیکی روبشی میله پرچم و بساک برای بازنگری سیستماتیک جنس در سطح فرعی استفاده شد. چندین ویژگی کمی و کیفی از جمله طول میله پرچم، ریخت‌شناسی، رنگ، تزئینات و طول، رنگ و چسبندگی بساک‌ها در27 گونه از جنس Fritillaria مورد بررسی قرار گرفت. برای گونه‌های مورد مطالعه، یک دندروگرام خوشه‌بندی براساس این صفات ساخته شد و یک درخت فیلوژنتیک با استفاده از ستون فقرات فیلوژنتیکی براساس نام‌گذاری گیاه‌شناسی فهرست گیاهان در نرم‌افزار R صورت گرفت. نتایج نشان داد که تناظری بین دندروگرام و درخت فیلوژنتیک وجود دارد که نشان‌دهنده سودمندی نسبی ویژگی‌های فراساختاری میله و بساک در سیستماتیک Fritillaria در سطح زیرجنس است. علاوه بر این، هر دو درخت نشان دادند که اعضای زیرجنس Fritillaria تک‌نیا نیستند و یک رابطه خواهری بین زیرجنس‌های Petilium و Theresia وجود دارد.

Keywords [Persian]

  • Fritillaria
  • Liliaceae
  • فراساختار رشته- بساک
  • میکروسکوپ الکترونی روبشی

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The Iranian Journal of Botany
Volume 30, Issue 2 - Serial Number 60
December 2024
Pages 155-172

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History

  • Receive Date: 18 August 2024
  • Revise Date: 03 November 2024
  • Accept Date: 03 November 2024

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