Yes, Virgin’s Bower is toxic to dogs!
Dogs accidentally consuming the Virgin’s Bower 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).
Virgin’s Bower consumption is also toxic to Cats and Horses.
Toxic Principles Of Virgin’s Bower: Irritant glycoside (Protoanemonin).
More Info About The Virgin’s Bower Plant
Scientific Name: Clematis sp.
Family: Ranunculaceae.
Also known as: Clematis, Leatherflower.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.