Strophanthus thollonii, or Thollon's strophanthus,[2] is a plant in the dogbane family Apocynaceae.

Strophanthus thollonii grows as an evergreen liana up to 20 metres (66 ft) long, with a stem diameter up to 5 cm (2 in).

Its fragrant flowers feature a white turning yellow, pink and purple corolla, white and red or purple-streaked on the inside.

[3] Strophanthus thollonii is native to Ivory Coast, Nigeria, Cameroon and Gabon.

[1] Its habitat is forest riverbanks from sea level to 300 m (1,000 ft) altitude.