Yes, Indian Apple is toxic to dogs!
Dogs accidentally consuming the Indian Apple 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).
Indian Apple consumption is also toxic to Cats and Horses.
Toxic Principles Of Indian Apple: Podophyllin.
More Info About The Indian Apple Plant
Scientific Name: Podophyllum peltatum
Family: Berberidaceae.
Also known as: Mayapple, Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck’s Foot, Raccoonberry, American Mandrake.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.