Amaranthaceae - amaranth family
 

WeedsPoisonous PlantsHay Fever
Gerald A. Mulligan (Agriculture Canada, Ottawa, retired)
1600 Apeldoorn Ave., Ottawa, Ontario, Canada, K2C1V5
Amaranthus retroflexus L.,redroot pigweed, amarante à racine rouge
Annual, spreading by seeds; autogamous and wind-pollinated; stems 2 inches to 4 feet (5 cm. to 12 dm.) high.; flowers inconspicuous; throughout; widespread in gardens, row crops, waste places, and along roadsides; has a characteristic red root; native to North America. Poisoning and death of pigs and cattle has occurred after the ingestion of large quantities of this plant.

Click on a photo to view an enlarged image.
Weed Name Photo Weed Name Photo
redroot pigweed, amarante à racine rouge redroot pigweed, amarante à racine rouge
redroot pigweed, amarante à racine rouge (young plant) redroot pigweed, amarante à racine rouge (seedling)
redroot pigweed, amarante à racine rouge (NC)