Increasingly common in USA, U.K. & Australia. All of plant is poisonous, particularly seeds. If severely poisoned, symptoms include: Headache, {nausea}, {vomiting}, flushing, dizziness, thirst, dry/burning sensation in skin, {delirium}, visual disturbances, nervous twitching & rapid {pulse}. Rarely, followed by {convulsions}, {coma} & death. Transfer to hospital immediately.