Yes, Wild Coffee is toxic to dogs!
Dogs accidentally consuming the Wild Coffee 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).
Wild Coffee consumption is also toxic to Cats and Horses.
Toxic Principles Of Wild Coffee: Saponin.
More Info About The Wild Coffee Plant
Scientific Name: Polyscias guilfoylei
Family: Araliaceae.
Also known as: Geranium-Leaf Aralia, Coffee Tree.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.