Tetraneuris argentea

Tetraneuris argentea, the perkysue,[3] is a North American species of plants in the sunflower family. It grows in the southwestern United States, primarily in Arizona and New Mexico with additional populations in Utah, Colorado, and the Texas Panhandle.[4][5]

Tetraneuris argentea
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Tetraneuris
Species:
T. argentea
Binomial name
Tetraneuris argentea
(A.Gray) Greene 1898
Synonyms[1][2]
Synonymy
  • Actinella argentea A.Gray 1849
  • Hymenoxys argentea (A.Gray) K.F.Parker
  • Tetraneuris formosa Greene ex Wooton & Standl.
  • Tetraneuris leptoclada (A.Gray) Greene
  • Tetraneuris trinervata Greene
  • Ptilepida argentea (A. Gray) A. Heller

Tetraneuris argentea is a perennial herb up to 42 cm (17 in) tall. It forms a branching underground caudex sometimes producing as many as 12 above-ground stems. One plant can produce as many as 30 flower heads. Each head has 8–14 yellow ray flowers surrounding 25-100 yellow disc flowers.[6]

References
  1. The Plant List, Tetraneuris argentea (A. Gray) Greene
  2. Tropicos, Actinella argentea A. Gray
  3. USDA, NRCS (n.d.). "Tetraneuris argentea". 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 argentea (A. Gray) Greene, 1898.


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