Hound’s Tongue

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Hound's Tongue

Image from Magnus_Manske

Names

Cynoglossum, Wild Comfrey, Chinese Forget-me-not

Description

Biennial that grows to 4 feet. Leaves are tongue shaped and alternate up the stem. Flowers are red / purple / blue and grow at the end of the stem. Fruit is a pod covered with barbs.

Hound's Tongue

Image from Olei

Concern Level

: Only during drought conditions, unpalatable, can be incorporated into hay.

Toxic Parts

All parts of the plant are toxic, particularly so in the rosette stage.

Hound's Tongue

Image from Farbenfreude

Symptoms

Lack of appetite, weakness, yawning, diarrhea, photosensitivity, weight loss, lack of coordination, jaundice of mucous membranes, aimless walking, chewing motion.

Danger

Contains pyrrolizidine alkaloids which cause liver failure, called “walking disease” or “sleepy staggers”. Can be fatal.

Hound's Tongue

Image from B.navez

More Information

Penn Veterinary Medicine

*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.

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