Morphological and anatomical study of the genus Hedera in Iran
Publish place: Botanical Journal of Iran، Vol: 20، Issue: 2
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ROST-20-2_005
تاریخ نمایه سازی: 23 مهر 1401
Abstract:
Hedera is a genus of evergreen climbers distributed throughout Europe, North Africa, Macaronesia, and Asia. In this study, the morphological and anatomical structures of ۱۱ populations from two species of Hedera (H. helix and H. pastuchovii) have been considered to evaluate the relationships in this genus. In total, ۱۹ quantitative and eight qualitative morphological features were evaluated and measured. Ward’s dendrogram showed two main clusters. The first cluster is composed of populations of H. helix andthe second cluster is composed of two subclusters containing populations of H. pastuchovii. Both species showed a bifacial leaf anatomical structure, so the mesophyll is differentiated into palisade and spongy tissues. Petiole cross sections showed rounded shape with wavy margin. Pedicel cross sections are similar in the general shape but the margins are different between two species. Both are rounded shape and the margin is quite wavy in H. helix and straight in H. pastuchovii. Number of vascular bundles of pedicel is different between two species. Two types of covering trichomes were identified including stellate trichomes in H. helix and scale-like trichomes in H. pastuchovii. Studied taxa were clearly separated by selected morphological and anatomical characters and these data provide additional evidence for species relationships between them.
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Authors
الهام امینی
Department of Biology, Faculty of Sciences, Gonbad Kavous University, Gonbad, Iran
فاطمه نصر الهی
Department of Biology, Faculty of Sciences, University of Qom, Qom, Iran
علی ستاریان
Department of Biology, Faculty of Sciences, Gonbad Kavous University, Gonbad, Iran
محبوبه حاجی مرادخانی
Department of Biology, Faculty of Sciences, Gonbad Kavous University, Gonbad, Iran
میثم حبیبی
Department of Biology, Faculty of Sciences, Gonbad Kavous University, Gonbad, Iran
سهراب بوذرپور
Department of Biology, Faculty of Sciences, Gonbad Kavous University, Gonbad, Iran
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