Annual weed with irregular, mottled stems, which grows one to two feet. Leaves are thick, and alternate. Flowers are small and on short branches. Fruit is a bur with hooked spines and sharp beaks.
Only during drought conditions, unpalatable.
The whole plant is dangerous, seeds most toxic.
Lack of appetite, depression, weak pulse. Burs can cause physical damage to mouth and throat.
Contains carboxyatractyloside which affects the nervous system.
*It should be noted that we are not veterinarians. This information is written specifically for horses and should be used for reference purposes only. If you think your horse has eaten something toxic call your vet right away.