Tetraneuris ivesiana explained

Tetraneuris ivesiana is a North American species of flowering plant in the sunflower family, known by the common name Ives' fournerved daisy. It grows in the southwestern United States, in Arizona, New Mexico, Utah, and Colorado.[1] [2]

T. ivesiana is a perennial herb up to 26cm (10inches) tall. It forms a branching underground caudex 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.[3]

Notes and References

  1. http://bonap.net/MapGallery/County/Tetraneuris%20ivesiana.png Biota of North America Program 2014 county distribution map
  2. http://swbiodiversity.org/seinet/taxa/index.php?taxon=2080&taxauthid=1 SEINet Southwestern Biodiversity, Arizona chapter
  3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250067731 Flora of North America, Tetraneuris ivesiana Greene, Pittonia. 3: 269. 1898.