Is African Wonder Tree Toxic to Dogs and Cats? (2026)

Ricinus communis

African Wonder Tree (Ricinus communis)

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Severe
Severe
Varies

Quick facts

Toxic to dogsYes
Toxic to catsYes
Toxic to horsesYes
Toxic componentRicin
Onset of symptomsA few hours to a day
Indoor / outdooroutdoor

If your pet ate this plant

Both lines are staffed 24/7. A consultation fee applies to each. Do not wait for symptoms to appear before calling.

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Symptoms in dogs

  • Severe vomiting
  • Bloody diarrhea
  • Abdominal pain
  • Weakness
  • Seizures

Symptoms in cats

  • Severe vomiting
  • Bloody diarrhea
  • Weakness
  • Seizures

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What to do

Go to an emergency vet immediately, especially if any seeds (beans) were eaten β€” ricin is one of the most potent plant toxins known and seeds are the most dangerous part.

Toxic component and mechanism

The toxic component in African Wonder Tree is ricin.

What makes this plant different

Castor Bean seeds contain ricin, one of the most potent toxins known from any plant β€” a handful of seeds can be lethal to a dog, which is a different risk category entirely from the mild GI-upset plants that dominate most toxic plant lists.

Plant identification

Scientific name
Ricinus communis
Family
β€”
Also known as
African Wonder Tree
Typically found
outdoor

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The information on this page is for general informational purposes only and is not a substitute for professional veterinary advice. Plant toxicity data is sourced from the ASPCA Toxic and Non-Toxic Plants database. If you believe your pet has ingested a toxic plant, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately. Do not wait for symptoms to appear.

Last verified: July 2, 2026 Β· Cross-referenced with ASPCA Animal Poison Control