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Echinops ritro

Echinops ritro, Photo: Michael Lahanas

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Carduoideae
Tribus: Cardueae
Subtribus: Echinopsinae
Genus: Echinops
Species: Echinops ritro
Subspecies: E. r. subsp. meyeri – E. r. subsp. ritro – E. r. subsp. ruthenicus – E. r. subsp. sartorianus – E. r. subsp. siculus – E. r. subsp. thracicus
Varietas: E. r. var. elbursensis

Echinops ritro L., 1753.

Echinops ritro Georgi = Echinops davuricus Fisch. ex DC.
Echinops ritro Gueldenst. ex Ledeb. = Echinops sphaerocephalus subsp. sphaerocephalus
Echinops ritro Schkuhr = Echinops exaltatus Schrad.


Linnaeus, C. 1753. Species Plantarum. Tomus II: 815. Reference page.


Hassler, M. 2018. Echinops ritro. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 May 18. Reference page.
International Plant Names Index. 2018. Echinops ritro. Published online. Accessed: May 18 2018.
The Plant List 2013. Echinops ritro in The Plant List Version 1.1. Published online. Accessed: 2018 May 18. 2018. Echinops ritro. Missouri Botanical Garden. Published online. Accessed: 18 May 2018.
Tela Botanica (ed.) 2000 onwards: Tela Botanica. Le réseau de la botanique francophone. eFlore. Echinops ritro. Association Tela Botanica, Montpellier, France. Accessed: 2011 Sept 13.
Euro+Med 2006 onwards: Echinops ritro in Euro+Med PlantBase – the information resource for Euro-Mediterranean plant diversity. Published online. Accessed: 2011 Sept 13.

Vernacular names
dansk: Glat Tidselkugle
Deutsch: Ruthenische Kugeldistel
español: Cardo yesquero
suomi: Otapallo-ohdake
français: Azurite
italiano: Cardo-pallottola coccodrillo
русский: Мордовник обыкновенный

Echinops ritro, the southern globethistle, is a species of flowering plant in the family Asteraceae, native to southern and eastern Europe (from Spain east to Turkey, Ukraine, and Belarus), and western Asia.[2] The species is sparingly naturalized in scattered locations in Canada and the United States.[3][4]

Echinops ritro is a compact, bushy herbaceous perennial thistle, growing to 60 cm (24 in) tall, with broad prickly leaves and bearing globes of steel-blue flowers 2.5 cm - 4.5 cm in diameter, in late summer.[5]

Echinops ritro [6] and the subspecies E. ritro subsp. ruthenicus[7] have gained the Royal Horticultural Society's Award of Garden Merit.


Echinops ritro subsp. meyeri (DC.) Kožuharov
Echinops ritro subsp. ritro
Echinops ritro subsp. ruthenicus (M.Bieb.) Nyman
Echinops ritro subsp. sartorianus (Boiss. & Heldr.) Kožuharov
Echinops ritro subsp. siculus (Strobl) Greuter
Echinops ritro subsp. thracicus (Velen.) Kožuharov


The Plant List, Echinops ritro L.
Altervista Flora Italiana, Cardo pallottola meridionale, Echinops ritro L.
Flora of North America, Echinops ritro Linnaeus
Biota of North America Program, 2014 county distribution map
RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
"RHS Plant Selector - Echinops ritro". Retrieved 5 June 2020.
"RHS Plant Selector - Echinops ritro subsp. ruthenicus". Retrieved 5 June 2020.

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