''Cirsium turneri'' is a
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
n species of plants in the tribe
Cardueae within the family
Asteraceae. Common names include cliff thistle.
[ The species grows in crevices in limestone cliffs in northern Mexico (]Chihuahua Chihuahua may refer to:
Places
*Chihuahua (state), a Mexican state
**Chihuahua (dog), a breed of dog named after the state
**Chihuahua cheese, a type of cheese originating in the state
**Chihuahua City, the capital city of the state
**Chihuahua Mun ...
, Coahuila
Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico.
Coahuila borders the Mexican states of N ...
)[ and western Texas ( Brewster, ]Terrell
Terrell, Terell, Terrel, or Terrelle may refer to:
Places United States
*Terrell, Georgia, unincorporated community
*Terrell, North Carolina, unincorporated community in Catawba County, North Carolina, United States
*Terrell, Texas, city in Kau ...
, Val Verde Counties).[Warnock, Barton Holland 1960. Southwestern Naturalist 5(2): 101–102]
''Cirsium turneri'' is a perennial herb up to 45 cm (18 inches) tall. Leaves have small, narrow spines along the edges. Flower heads
A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
are sometimes produced one at a time, sometimes in small groups, each head with red or reddish-purple disc florets but no ray florets.[Flora of North America, cliff thistle, ''Cirsium turneri'' Warnock]
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References
External links
Photo of herbarium specimen at Missouri Botanical Garden, collected in Texas, isotype of ''Cirsium turneri''
turneri
Flora of North America
Plants described in 1960
{{Cynareae-stub