Climbing vine with large heart- shaped leaves that are usually streaked with yellow. Also causes dermatitis when touched. Causes burning sensation in mouth when eaten. Leaves, stems, and milky sap. Tall annual herb with milky juice, growing up to 3 feet in height.
Leaves are lance shaped and smooth, bordered by conspicuous white margins.
Flowers are bordered with a whorl of white petal-like leaves. Leaves, stems, and milky sap. When touched, causes blistering of the skin. Poinsettia, Christmas Flower, Christmas Star, Easter Flower. Large green stem leaves and smaller but showy red, pink, or yellow leaves surrounding the flowers.