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
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]