Gutierrezia sarothrae (weed)

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Gutierrezia sarothrae (click on image to enlarge it)
Author(s): Stan Shebs
Source: Wikimedia Commons

Gutierrezia sarothrae (weed) (Pursh) Britt & Busby - (broom snake-weed)

This plant is an important weed of rangelands in semiarid areas of the southwestern US. It suppresses forage productivity, is toxic to livestock and is usually avoided by cattle. Overgrazing, fire, and drought promote the spread of the weed and it can dominate the plant communities. It can be also invasive, establishing quickly in disturbed habitats.

The plants grow to a height of about 1 m and are often described as a sub-shrub. The leaves are elongated, up to 6 cm long and the flower heads are small and bright yellow.

Vernacular names
• English: broom snake-weed
• Español: escoba de rosita

For details see the respective page in Wikipedia.