Gutierrezia petradoria

Gutierrezia petradoria
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Gutierrezia
Species: G. petradoria
Binomial name
Gutierrezia petradoria
(S.L.Welsh & Goodrich) S.L.Welsh 1983
Synonyms[1]
  • Xanthocephalum petradoria S.L.Welsh & Goodrich 1981

Gutierrezia petradoria is a North American species of flowering plant in the daisy family known by the common names goldenrod snakeweed[2] and San Pedro snakeweed.[3] It is native to Utah in the United States.[4]

Gutierrezia petradoria is a perennial herb up to 40 cm (16 in) in height. At the end of each branch there is an inflorescence of one or a few flower heads. The heads are larger than for most of the species in the genus. The head contains 5-13 disc florets with 4-10 yellow ray florets around the edge. The ray flowers are up to 10 mm (0.39 in) long, much larger and showier than in the case of most other species in the genus.[2]

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