Gutierrezia petradoria

Gutierrezia petradoria is a species of flowering plant in the family Asteraceae known by the common names San Pedro snakeweed and goldenrod snakeweed

Distribution
The plant is endemic to western Utah, located the Southwestern United States. It is native to the Lower Sevier River watershed, within Juab County and Millard County.

Description
Gutierrezia petradoria is a perennial herb to woody subshrub, growing up to 40 cm 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 long, much larger and showier than in the case of most other species in the genus.