''Ratibida'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

n plants in the tribe

Heliantheae The Heliantheae (sometimes called the sunflower tribe) are the third-largest Tribe (biology), tribe in the sunflower family (Asteraceae). With some 190 genera and nearly 2500 recognized species, only the tribes Senecioneae and Astereae are large ...

within the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. Members of the genus are commonly known as prairie coneflowers or mexican-hat.

Species

There are 7 species: * '' Ratibida coahuilensis'' B.L.Turner -

Coahuila Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the thi ...

* ''

Ratibida columnifera ''Ratibida columnifera'', commonly known as upright prairie coneflower, rocketflower, Mexican hat, and longhead prairie coneflower, is a perennial species of flowering plant in the genus ''Ratibida'' in the family Asteraceae. It is native to much ...

'' ( Nutt.) Wooton & Standl. – upright prairie coneflower - widespread in Canada, United States, and northeastern Mexico * '' Ratibida latipalearis'' E.L.Richards - Chihuahua * '' Ratibida mexicana'' (S.Watson) W.M.Sharp - Chihuahua,

Sonora Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 ...

* '' Ratibida peduncularis'' (

Torr. John Torrey (August 15, 1796 – March 10, 1873) was an American botanist, chemist, and physician. Throughout much of his career, he was a teacher of chemistry, often at multiple universities, while he also pursued botanical work, focusing on t ...

& A.Gray) Barnhart – naked prairie coneflower -

Louisiana Louisiana ( ; ; ) is a state in the Deep South and South Central regions of the United States. It borders Texas to the west, Arkansas to the north, and Mississippi to the east. Of the 50 U.S. states, it ranks 31st in area and 25 ...

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

* '' Ratibida pinnata'' ( Vent.) Barnhart – pinnate prairie coneflower - Ontario, eastern + central United States (primarily

Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border. The five lakes are Lake Superior, Superior, Lake Michigan, Michigan, Lake Huron, H ...

Mississippi Valley The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...

) * '' Ratibida tagetes'' ( E.James) Barnhart – short-ray prairie coneflower - Chihuahua, United States (desert southwest, western

Great Plains The Great Plains is a broad expanse of plain, flatland in North America. The region stretches east of the Rocky Mountains, much of it covered in prairie, steppe, and grassland. They are the western part of the Interior Plains, which include th ...

)

References

External links

* * Flora of Northern America Heliantheae Asteraceae genera Taxa named by Constantine Samuel Rafinesque {{Heliantheae-stub