Strophanthus welwitschii grows as a deciduous shrub or small tree up to tall, or as a liana up to long, with a stem diameter up to . 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 to 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.
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