''Tetraneuris ivesiana'' is a North American species of flowering plant in the

sunflower family Asteraceae () is a large family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the order Asterales. The number of species in Asteraceae is rivaled only by the Orchidaceae, and which is the larger fam ...

, known by the common name Ives' fournerved daisy. It grows in the southwestern United States, in

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...

Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

, and

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

. ''T. ivesiana'' is a perennial herb up to tall. It forms a branching underground

caudex A caudex (: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is most ...

sometimes producing as many as 30 above-ground stems. One plant can produce as many as 30 flower heads. Each head has 7–10 yellow ray flowers surrounding 40–150 yellow disc flowers.Flora of North America, ''Tetraneuris ivesiana'' Greene, Pittonia. 3: 269. 1898.
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References

ivesiana ''Ivesiana'' is a ballet choreographed by George Balanchine to compositions by Charles Ives. The ballet premiered on September 14, 1954, four months after Ives's death, at the City Center of Music and Drama, performed by the New York City Ballet ...

Flora of the Southwestern United States Endemic flora of the United States Plants described in 1898 {{medicinal-plant-stub