Acokanthera oblongifolia (commonly known as African wintersweet, dune poison bush, Hottentot's poison, poison arrow plant or wintersweet) is a plant in the family Apocynaceae. It grows as an evergreen shrub or small tree up to 6 metres (20 ft) tall. Its fragrant flowers feature a white tinged pink corolla. The berries are purple when ripe. Its habitat is dry forest and coastal thickets. Acokanthera oblongifolia is used in local medicinal tre