Poisonous plants are plants that contain toxins that can be harmful or fatal to humans and animals if ingested. IVY, BELLADONNA, MANDRAKE, NIGHTSHADE, MONKSHOOD, Wolfsbane, Henbane, Datura, ACONITE, SUMAC, Azalea, HEMLOCK, Oleander, RHUBARB, Upas, and Ratsbane are all examples of poisonous plants. IVY is a climbing, woody vine with leaves that contain a toxic sap. BELLADONNA is a tall, flowering plant with purple-tinged flowers and black berries. MANDRAKE is a perennial herb with yellowish-white flowers and a forked root. NIGHTSHADE is a shrub with white or purple flowers and black berries. MONKSHOOD is a tall, flowering plant with blue or purple hood-shaped flowers. Wolfsbane is a perennial herb with yellow or white flowers. Henbane is a tall, bushy plant with yellow flowers and a strong odor. Datura is a shrub with white or purple trumpet-shaped flowers. ACONITE is a perennial herb with blue or purple flowers. SUMAC is a shrub with red or yellow flowers and red berries. Azalea is an evergreen shrub with pink or white flowers. HEMLOCK is a tall, bushy plant with white flowers and a strong odor. Oleander is an evergreen shrub with pink, white, or yellow flowers. RHUBARB is a perennial herb with large, edible leaves. Upas is a tall, bushy tree with white flowers and a milky sap. Ratsbane is a perennial herb with yellow or white flowers.