Tetraneuris linearifolia

Tetraneuris linearifolia is a North American species of plants in the sunflower family, known by the common name fineleaf fournerved daisy.[2] It grows in the south-central United States (Kansas, Oklahoma, Texas, New Mexico) and northern Mexico (Coahuila, Nuevo León, Tamaulipas).[3][4][5]

Tetraneuris linearifolia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Tetraneuris
Species:
T. linearifolia
Binomial name
Tetraneuris linearifolia
(Hook.) Greene 1898
Synonyms[1]
Synonymy
  • Actinea linearifolia (Hook.) Kuntze
  • Actinea ursina Standl.
  • Actinella linearifolia (Hook.) Torr. & A.Gray
  • Hymenoxys linearifolia Hook.
  • Hymenoxys ursina (Standl.) B.L.Turner
  • Picradenia linearifolia (Hook.) Britton
  • Ptilepida linearifolia (Hook.) Britton
  • Tetraneuris dodgei (Cockerell) Rydb.
  • Tetraneuris latior (Cockerell) Rydb.
  • Tetraneuris oblongifolia Greene

Tetraneuris linearifolia is an annual herb up to 50 cm (20 in) tall. It forms a branching underground caudex sometimes producing as many as 10 above-ground stems. One plant can produce as many as 80 flower heads. Each head has 9–25 yellow ray flowers surrounding 50-200 yellow disc flowers.[6][7]

References edit

  1. ^ The Plant List, Tetraneuris scaposa (DC.) Greene
  2. ^ USDA, NRCS (n.d.). "Tetraneuris linearifolia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
  3. ^ Biota of North America Program 2014 county distribution map
  4. ^ Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100
  5. ^ SEINet Southwestern Biodiversity, Arizona chapter description, photos, distribution map
  6. ^ Flora of North America, Tetraneuris linearifolia (Hooker) Greene, Pittonia. 3: 269. 1898.
  7. ^ Hooker, William Jackson. 1837. Icones Plantarum 2: plate 146 + subsequent unnumbered text page full-page line drawing of Tetraneuris linearifolia (as Hymenoxys linearifolia), description in Latin, commentary and figure captions in English

External links edit