Cirsium hypoleucum DC. Bull thistle

Cirsium hypoleucum DC. - Bull thistle

Scientific Description:

Perennial, (20−)50−200 cm. Stems unwinged, usually sparsely paniculate (rarely unbranched), branches/peduncles long, with sparse reduced leaves. Median cauline leaves pinnatilobed to ¼−¾, 6−25 × 3−14 cm, with short scattered hairs above, whitish-tomentose beneath, lobes triangular to triangular-lanceolate, dentate to lobulate, margined by weak to firm 0.5−6 mm spines; sub-basal leaves winged-petiolate. Capitula ± nodding, solitary (sometimes paired) on elongate peduncles. Involucres hemispherical, (13−)15−20 mm. Phyllaries 6−9-seriate, median ovate-oblong, papillose and ciliolate, subacute, vittate, often purplish distally and shortly spinose-mucronate. Corollas (15−)18−20 mm, deep crimson. Achenes 4 mm. Pappus 15−17 mm.

 

Flowering time: May−September.

Habitat: In forests (coniferous or deciduous), on shady banks and rock ledges, nr s.l.−2000 m.

 

Reference:
Davis PH & Parris BS (1975). Cirsium hypoleucum DC., In: Davis PH (ed.), Flora of Turkey and the East Aegean Islands, Edinburgh University Press, Edinburgh, 5: 398–399.

Public Description:

Cirsium hypoleucum, known as “bull thistle”, is native to northern Türkiye and Georgia. It is a perennial herb with deep crimson flowers, and grows up to 200 cm in length. It blooms between May and September and is found in forest, shady coast and rocky peaks.

 

References:

Anonymous 1 (2017). https://kocaelibitkileri.com/cirsium-hypoleucum/,Accessed date: 14.11.2017.

Anonymous 2 (2017). http://www.tubives.com/index.php?sayfa=1&tax_id=5248,Accessed date: 14.11.2017.

Yıldız B (2012). Cirsium , In: Güner, A., Aslan, S., Ekim, T., Vural, M. & Babaç, M.T. (eds.), Türkiye Bitkileri Listesi (Damarlı Bitkiler). Nezahat Gökyiğit Botanik Bahçesi ve Flora Araştırmaları Derneği Yayını. İstanbul, pp. 141–146.