Two species newly documented for the flora of Iran from the Arasbaran area

Document Type : Short Article

Authors

1 Department of plant Biology, Faculty of Biological Sciences, Tarbiat Modres Uinversity, Tehran, Iran

2 Mountain Environment Protection Society (MPES), Tehran, Iran

Abstract

Dracocephalum austriacum L. and Polygonatum verticillatum (L.) All. are reported as new additions to the flora of Iran, from the Arasbaran area. Dracocephalum austriacum is distinguished from other Iranian Dracocephalum species by its pubescent anthers and verticillate 5-7 partite leaves. It typically occurs in subalpine to alpine meadows. Polygonatum verticillatum, is closely related to P. sewerzowii but is distinguished by the rough hairs on the dorsal surface of leaves. It inhabits meadows and transitional zones between meadows and Quercus woodlands. Detailed descriptions, photographs, and distribution maps for both species are presented.

Keywords


Article Title [Persian]

دو گزارش جدید برای فلور ایران از منطقه ارسباران

Authors [Persian]

  • اسمعیل جارچی 1
  • عادل رمضانی 2
1 گروه علوم گیاهی، دانشکده علوم زیستی، دانشگاه تربیت مدرس، تهران، ایران
2 انجمن حفظ محیط کوهستان (MPES)، تهران، ایران
Abstract [Persian]

دو گونه‌ Dracocephalum austriacum و Polygonatum verticillatum برای نخستین‌بار از منطقه ارسباران به‌عنوان گزارش ‌هایی جدید برای فلور ایران معرفی می‌گردند. گونه‌ D. austriacum با داشتن بساک‌های کرک‌دار و برگ‌های فراهم پنج تا هفت ‌بخشی، به‌راحتی از دیگر گونه‌های این جنس در ایران قابل تشخیص است و معمولاً در چمن‌زارهای آلپی و نیمه‌آلپی می‌روید. گونه‌ دیگر P. verticillatum، بیشترین شباهت را با P. sewerzowii دارد، اما به‌واسطه‌ی وجود کرک‌های زبر در سطح پشتی برگ از آن متمایز می‌شود. این گونه در چمن‌زارها و نواحی گذر از چمن‌زار به جنگل‌های بلوط رویش دارد. در این پژوهش، شرح کامل، تصاویر و نقشه‌های پراکنش هر دو گونه ارائه شده است.

Keywords [Persian]

  • Dracocephalum
  • Polygonatum
  • گزارش جدید
  • تنوع زیستی
  • فلور ایران
  • جنگل های ارسباران
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