Why it's dangerous
The plant contains unknown steroidal saponins that irritate the gastrointestinal tract and affect the nervous system upon ingestion.
Toxic compound: Steroidal saponins
Good to know
Dilated pupils are specifically noted as a symptom in cats.
Sources
This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.