Why it's dangerous
The plant contains lycorine and other alkaloids that act as emetics and can cause systemic neurological and cardiovascular effects if ingested in large quantities.
Toxic compound: Alkaloids and lycorine
Good to know
The Kaffir lily is not a 'true' lily and does not cause kidney failure in cats like Lilium or Hemerocallis species. The bulbs are the most toxic part.
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.