Yes, Tail Flower is toxic to dogs!
Dogs accidentally consuming the Tail Flower plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Tail Flower consumption is also toxic to Cats.
Toxic Principles Of Tail Flower: Insoluble calcium oxalates.
More Info About The Tail Flower Plant
Scientific Name: Anthurium scherzeranum
Family: Araceae.
Also known as: Flamingo Plant, Flamingo Lily, Oilcloth Flower, Pigtail Plant, Painter’s Pallet.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.