Oncoba welwitschii Oliv. (Achariaceae) is native to Angola, Cabinda, Cameroon, Central African Republic, Congo, DR Congo, Equatorial Guinea, Gabon, Malawi, Mozambique, Nigeria, Tanzania. Flora of the World documents 2 occurrences across 1 country.
This name is a synonym
Specimens are listed under the accepted name Caloncoba welwitschii (Oliv.) Gilg
