Tetraneuris ivesiana is a North American species of flowering plant in the sunflower family, known by the common name Ives' fournerved daisy.[3] It grows in the southwestern United States, in Arizona, New Mexico, Utah, and Colorado.[4][5]

Tetraneuris ivesiana

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Tetraneuris
Species:
T. ivesiana
Binomial name
Tetraneuris ivesiana
Greene 1898
Synonyms[1][2]
Synonymy
  • Actinea leptoclada var. ivesiana (Greene) J.F. Macbr.
  • Hymenoxys acaulis var. ivesiana (Greene) K.F. Parker
  • Hymenoxys argentea var. ivesiana (Greene) Cronquist
  • Hymenoxys ivesiana (Greene) K.F. Parker
  • Tetraneuris intermedia Greene
  • Tetraneuris mancosensis A.Nelson
  • Tetraneuris pilosa Greene

T. ivesiana is a perennial herb up to 26 cm (10 in) 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.[6]

References edit

  1. ^ The Plant List, Tetraneuris ivesiana
  2. ^ Tropicos, Tetraneuris ivesiana
  3. ^ USDA, NRCS (n.d.). "Tetraneuris ivesiana". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
  4. ^ Biota of North America Program 2014 county distribution map
  5. ^ SEINet Southwestern Biodiversity, Arizona chapter description, photos, distribution map
  6. ^ Flora of North America, Tetraneuris ivesiana Greene, Pittonia. 3: 269. 1898.