Strophanthus welwitschii

Strophanthus welwitschii grows as a deciduous shrub or small tree up to 5 m tall, or as a liana up to 8 m long, with a stem diameter up to 10 cm. Its fragrant flowers feature a white turning purple corolla, creamy and red or purple-streaked on the inside. Its habitat is forests or rocky woodlands from 300 m to 1800 m altitude. S. welwitschii is used in local medicinal treatments for respiratory conditions, gonorrhoea and scabies. The plant has been used as arrow poison. Strophanthus welwitschii is native to Democratic Republic of Congo, Tanzania, Angola and Zambia.