A New Recommended IUCN Threat Category for Campanula aghrica (Campanulaceae)

Öz

The family Campanulaceae Juss. (Asterales) is a cosmopolitan family with 84 genera and approximately 2400 species worldwide. The genus Campanula is the largest genus in the Campanulaceae family in terms of taxa number. Campanula aghrica Kit Tan & Sorger is a local endemic species distributed in Doğubeyazıt district of Ağrı province. It was introduced to the scientific world in 1984. Diagnostic characters and an extended full description are given here. Based on morphological characteristics, C. aghrica belongs to the Campanula subgen. Campanula sect. Rupesters. One of the reasons for the high endemism of sect. Rupestres is that its distribution area is limited because it is mostly casmophytic. C. aghrica is a rather isolated species, and it has no close relatives. It is a rather characterised species with its greyish appearance due to its rather receding and flat, densely tomentose hair structure, numerous sterile rosettes on its stems, rather small rosette leaves, distinct lignification of the base, rather fragile and flexible stems and small flowers. Although the only known locality of this species to date is the type locality, in the “Türkiye Bitkileri Kırmızı Kitabı”, the species was evaluated as VU endangered category. In this study, the IUCN category of the species was redefined and updated as Critically Endangered [CR B1ab(i,ii,iii,v)+B 2ab (i,ii,iii,v)] according to the most recent IUCN criteria.

Anahtar Kelimeler

• Ağrı
• Endemic
• Campanula
• IUCN
• sect. Rupestres

Campanula aghrica (Campanulaceae) için Yeni IUCN Tehlike Kategorisi Önerisi

Öz

Campanulaceae Juss. (Asterales) ailesi dünya genelinde 84 cins ve yaklaşık 2400 türü barındıran kozmopolit bir ailedir. Camapanula cinsi Campanulaceae ailesinin takson sayısı bakımından en büyük cinsidir. Campanula aghrica Kit Tan & Sorger Ağrı ili, Doğubeyazıt ilçesi sınırlarında yayılış gösteren lokal endemik bir türdür. C. aghrica, 1984 yılında bilim dünyasına tanıtılmıştır. Diyagnostik karakterler ve genşletilmiş tam betim burada verilmiştir. Morfolojik özelliklere dayanarak, C. aghrica Campanula subgen. Campanula sect. Rupesters’e aittir. Rupestres’in endemizmi oldukça yüksek olmasının sebeplerinden biri çoğunlukla kazmofitik olmasından dolayı yayılış alanının sınırlı olmasıdır. Oldukça izole bir türdür, yakın akrabası bulunmaz. Oldukça geriye yatık ve basık, yoğun tomentoz tüy yapısı nedeniyle meydana gelen gri’msi görüntüsü, gövdelerinin çok sayıda steril rozet taşıması rozet yapraklarının oldukça küçük oluşu, dip kısmının belirgin odunsulaşmış oluşı, oldukça kırılgan ve fleksouz gövdeleri ve küçük çiçekleri ile, oldukça karakterize bir türdür. Bu türün günümüze kadar bilinen tek lokalitesi tip lokalitesi olmasına karşın Türkiye Bitkileri Kırmızı Kitabında tür “Duyarlı” olarak VU tehlike kategorisinde değerlendirmişlerdir. Fakat, türün IUCN kategorisi bu çalışmada yeniden belirlenerek en güncel IUCN kriterlerine göre Kritik düzeyde tehlikede [CR B1ab(ii,iii,v)+B2ab (ii,iii,v)] olarak güncellenmiştir

Anahtar Kelimeler

• Ağrı
• Endemik
• Campanula
• IUCN
• sect. Rupestres

Kaynakça

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