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Natural History

Burroweed is a member of the Sunflower Family. The rounded shrub grows to 3 feet in height and has green,  deeply lobed leaves that grow on alternate sides of the stem.. The plant typically grows in dry, gravelly to sandy soils on roadsides, waste places, alluvial plains, mesas, and slopes at elevations between 2000 - 6000 feet.

Burroweed is considered a range pest. It proliferates in overgrazed areas and is toxic to domestic lifestock and humans due to the presence of tremetol in its leaves.

Burroweed blooms in the fall and produces yellow rayless flowers that are 1/4 inch long and 1/8 inch broad, but spread when the seeds are mature.

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