Echinops ritro

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
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Echinops
Species:
E. ritro
Binomial name
Echinops ritro
L. 1753 not Georgi 1775
Synonyms[1]
Synonymy
  • Echinops tauricus Willd. ex Ledeb.
  • Echinops tenuifolius Fisch. ex Schkuhr
  • Echinops meyeri (DC.) Iljin, syn of subsp. meyeri
  • Echinops ruthenicus M.Bieb., syn of subsp. ruthenicus
  • Echinops virgatus Lam., syn of subsp. ruthenicus
  • Echinops sartorianus Boiss. & Heldr., syn of subsp. sartorianus
  • Echinops siculus Strobl, syn of subsp. siculus
  • Echinops thracicus Velen., syn of subsp. thracicus
Various butterflies and burnet moths on a flower of Echinops ritro subsp. ruthenicus, in the Juliana Alpine Botanical Garden, Trenta, Bovec, Slovenia

It 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.

Subspecies[1]
  • 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

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


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