Alpine and subalpine floristic survey of Keyno Mountain, southwest Iran (Khuzestan province)

Document Type : Research Paper

Authors

1 Forests & Rangelands Research Division, Khuzestan Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization (AREEO), Ahvaz, Iran

2 Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran.

10.22092/ijb.2025.369071.1517

Abstract

Keyno Mountain is located at an altitude of 1,500 to 3,747 meters a.s.l. in the Zagros Mountains, on the border between Khuzestan and Chaharmahal and Bakhtiari provinces. To implement a research project, "Floristic study of the Keyno Mountain", plant species were collected at different scheduled intervals. The main objectives of this study are to provide an annotated checklist of the plants, their life forms, chorotypes, and plant endemism in Keyno Mountain. A total of 151 species of vascular plants belonging to 110 genera and 38 plant families are found in alpine and subalpine zones. The richest families are: Asteraceae (18 species), Lamiaceae (16), Caryophyllaceae and Poaceae (each with 13), Fabaceae and Apiaceae (each with 11). In terms of geographical distribution, 64% of the identified species belong to the Irano-Turanian region. The most abundant vegetation form in the Keyno Mountain area is the Hemicryptophytes (53 species). In the Keyno region, 26 endemic species were identified. The genera Astragalus (10 species), Cousinia (5 species), and Stachys (4 species) are the richest on Keyno Mountain. Most endemic species including Astragalus murinus Boiss., Cousinia bazoftensis Attar., Myopordon aucheri Boiss., Cyclotrichum depauperatum (Bunge.) Manden. & Schehg, Azilia eryngioides (Pau) Hedge & Lamond in the Zagros region, including those in the Keyno Mountain, are critically endangered. These plants require strong conservation and management protection because fragile ecosystems are often small, restricted, and isolated.

Keywords

Article Title [Persian]

بررسی فلورستیک نواحی آلپی و نمیه آلپی کوه کینو در جنوب غرب ایران (استان خوزستان)

Authors [Persian]

  • مهری دیناروند 1
  • محمد امینی راد 2
  • یونس عصری 2
1 دانشیار پژوهش، بخش تحقیقات جنگلها و مراتع، مرکز تحقیقات و آموزش کشاورزی ومنابع طبیعی استان خوزستان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اهواز، ایران
2 دانشیار پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران.
Abstract [Persian]

کوه کینو با ارتفاع 1500 تا 3747 متر از سطح دریا در ارتفاعات زاگرس و بین استان‌های خوزستان و چهار محال بختیاری واقع است. در راستای اجرای پروژه تحقیقاتی «مطالعه فلورستیک کوه کینو» گونه‌های گیاهی طبق برنامه در فواصل زمانی مختلف جمع‌آوری شد. هدف از این پروژه تهیه لیستی کامل از گونه‌های گیاهی، شکل زیستی، پراکنش جغرافیایی و گونه‌های انحصاری در کوه کینو بود. در منطقه مورد مطالعه، تعداد 151 گونه گیاهی متعلق 110 جنس و 38 تیره در مناطق آلپی، نیمه آلپی جمع آوری و شناسایی شد. بزرگترین تیره‌های گیاهی از نظر تعداد گونه تیره مینا (Asteraceae) با 18 گونه، تیره نعنا (Lamiaceae) با 16 گونه، تیره میخک (Caryophyllaceae) و گندمیان (Poaceae) هر کدام با 13 گونه و تیره‌های باقلائیان (Fabaceae) و چتریان (Apiaceae) هر کدام با 11 گونه هستند. از نظر پراکنش جغرافیایی 64 درصد گونه‌های شناسایی شده متعلق به ناحیه ایرانی‌تورانی هستند. بیشترین شکل زیستی در ارتفاعات کینو متعلق به همی‌کریپتوفیت‌ها با 53 گونه می‌باشد. در منطقه کینو 26 گونه انحصاری شناسایی شد. جنس‌های Astragalus با 10 گونه، Cousinia با 5 گونه و Stachys با 4 گونه دارای بیشترین گونه‌ گیاهی ارتفاعات کینو هستند. بعضی از گونه‌های انحصاری مانند Astragalus murinus Boiss., Cousinia bazoftensis Attar., Myopordon aucheri Boiss., Cyclotrichum depauperatum (Bunge.) Manden. & Schehg, Azilia eryngioides (Pau) Hedge & Lamond در منطقه زاگرسی که ارتفاعات کینو نیز شامل آن می‌شود، به‌عنوان گونه‌های در بحران انقراض معرفی شده‌اند. این گونه‌ها به شدت نیاز به حفاظت و مدیریت دارند زیرا در اکوسیستم‌های شکننده مستقر بوده و اغلب به‌صورت مجزا و در جمعیت‌هایی کوچک دیده می‌شوند.

Keywords [Persian]

  • بیوژئوگرافی: اندمیک: پوشش گیاهی: همی کریپتوفیت: ایران
  • تورانی: زاگرس

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The Iranian Journal of Botany
Volume 31, Issue 1
June 2025
Pages 21-36

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History

  • Receive Date: 06 April 2025
  • Revise Date: 28 May 2025
  • Accept Date: 09 June 2025

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