Acocanthera Oppositifolia also referred to as Acokanthera Oblonga, is a species of tree in the Apocynaceae family. It is native to South Africa and can grow up to 10 meters tall when mature. It is known for its glossy green leaves, and clusters of fragrant flowers. The plant is also popularly referred to as the bushman's poison and is known for its toxicity properties. In some regions, it is also known as the arrow poison tree. Other synonyms for Acocanthera Oppositifolia include Krantz-makkou, Giftuilboom, Gewonegifbol, Mabulaboola and Vierienbladgifhout.