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Coreopsis
Coreopsis7222.jpg
Coreopsis gladiata, Coastal plain tickseed
with tree cricket
Scientific classification
Kingdom: Plantae
Unranked: Angiosperms
Unranked: Eudicots
Unranked: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae[1]
Tribe: Coreopsideae[1][2]
Genus: Coreopsis
L.
Species

Many, see text

Synonyms

Acispermum Neck.
Calliopsis Rchb.
Epilepis Benth.
Leptosyne DC.
Pugiopappus A.Gray
Selleophytum Urb.
Tuckermannia Nutt.[3]

Coreopsis common names include tickseed and calliopsis) is a genus of herbs in the family Asteraceae. Many of its 35 to 114[5] species are cultivated. Twenty-eight species are native to North America and the others come from Central and South America. The flowers are usually yellow with a toothed tip. They have showy flower heads with involucral bracts in two distinct series of eight each, the outer being commonly connate at the base. The name Coreopsis is derived from the Greek words κορις (koris), meaning "bedbug," and ὄψις (opsis), meaning "view," referring to the shape of the achene.[6]

Coreopsis species are used as food plants by the caterpillars of some Lepidoptera species including Coleophora acamtopappi.

Coreopsis is closely related to Bidens. In fact, neither Coreopsis nor Bidens, as defined in the 20th century, is monophyletic. One group which does seem to be monophyletic consists of temperate species from North America, including five sections of Coreopsis, Bidens coronata and Bidens tripartita, and the genus Thelesperma (five species).[2]

All Coreopsis species were designated the state wildflower of Florida in the United States in 1991.[7]

SpeciesEdit

Formerly placed hereEdit

ReferencesEdit

  1. 1.0 1.1 Coreopsideae (and pages for containing groups), Tree of Life Web Project, last updated 2008
  2. Cite error: Invalid <ref> tag; no text was provided for refs named crawford2005
  3. Template:Cite web
  4. 4.0 4.1 Template:Cite web
  5. Template:ITIS

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