Flaveria oppositifolia

Flaveria oppositifolia is a rare Mexican plant species of yellowtops within the sunflower family. It has been found only in northeastern Mexico, from Tamaulipas west to Coahuila, south as far as Hidalgo and Aguascalientes.[2] Some sources report the species to be present in the State of Texas in the United States, but the Texas populations have been recognized as a distinct species, F. brownii.[3]

Flaveria oppositifolia
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Flaveria
Species:
F. oppositifolia
Binomial name
Flaveria oppositifolia
(DC.) Rydb. 1915
Synonyms[1]
  • Flaveria longifolia A.Gray
  • Gymnosperma oppositifolium DC. 1836

Flaveria oppositifolia is a perennial herb up to 80 cm (31.5 in) tall. Leaves are about 5–10 cm (2–4 in) long, covered in short, soft hairs. One plant can produce numerous flower heads in a loose branching array. Each head contains 10-15 yellow disc flowers but no ray flowers.[2]

References
  1. The Plant List, Flaveria oppositifolia (DC.) Rydb.
  2. Powell, Albert Michael. 1979. Annals of the Missouri Botanical Garden 65(2): 609-611 description and commentary in English, distribution map on page 610, Flaveria oppositifolia
  3. Powell, Albert Michael. 1979. Annals of the Missouri Botanical Garden 65(2): 611-613 description and commentary in English, distribution map on page 610, Flaveria brownii


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