Centaurea patula، گونه‌ای فراموش‌شده از تیرۀ مرکبان برای فلور ایران

نوع مقاله: مقاله پژوهشی

نویسنده

استادیار گروه باغبانی، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی، اهواز، ایران

10.22108/tbj.2019.118760.1096

چکیده

 
جنس Centaurea یکی از بزرگ‌ترین و پیچیده‌ترین تاکسون‌های تیرۀ مرکبان (Asteraceae) در جهان است که عمدتاً در اروپا، منطقۀ مدیترانه و جنوب‌غرب آسیا پراکنش دارد. چندنیایی‌بودن این جنس سبب شده است به‌تازگی این تاکسون به چند جنس تک‌نیا تقسیم شود. Centaurea حدود 109 گونه و 31 بخش در ایران دارد که در بیشتر مناطق کشور حضور دارند. پژوهش حاضر، حاصل مطالعۀ تاکسونومیکی دقیق گونه‌های بخش Ammocyanus در هرباریوم‌های مختلف است. در مطالعۀ حاضر مشخص شد دو محل تیپ در پروتولوگ گونۀ C. patula مشخص شده‌اند که یکی از آنها به ایران مربوط است؛ این در حالیست که در فلورا ایرانیکا، اشاره‌ای به این گونه نشده و درحقیقت، C. patula گونه‌ای فراموش‌شده برای فلور ایران است؛ بنابراین در پژوهش حاضر، C. patula دوباره گونه‌ای موجود برای فلور ایران مطرح شد و برای جلوگیری از ابهام در کاربرد آن، گونۀ یادشده تیپ‌بندی و تصویر لکتوتیپ آن ارائه شد.

کلیدواژه‌ها


عنوان مقاله [English]

Centaurea patula (Asteraceae), A Forgotten Species for the Flora of Iran

نویسنده [English]

  • Kazem Negaresh
Assistant professor, Department of Horticulture, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Ahvaz, Iran
چکیده [English]

Abstract
Centaurea is one of the most complex and largest genera of the family Asteraceae in the World. It is mainly distributed in Europe, the Mediterranean region, and southwest Asia. This genus is polyphyletic and has recently been divided into some monophyletic genera. In Iran, Centaurea contains 109 species in 31 sections that are present in most parts of the country. This research is the result of exact taxonomic study of species of the section Ammocyanus in different herbaria. During this study, it was found that two syntypes collections were cited for C. patula protologue that one of them is attributed to Iran. However, there is no mention of this species in Flora Iranica and in fact C. patula is a forgotten species for Iranian flora. So, C. patula is treated in this study as an existing taxon for the flora of Iran. To clarify the application of this name, it was thus typified and its lectotype image was presented.

کلیدواژه‌ها [English]

  • Asteraceae
  • Centaurea
  • Taxonomy
  • Forgotten Species
  • Typification
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