| Newtonia angolensis O.Hoffm. |
Synonym |
 |
TICA |
| Newtonia aubrevillei (Pellegr.) Keay |
Accepted |
 |
ILDIS |
| Newtonia aubrevillei subsp. aubrevillei (Pellegr.) Keay |
Accepted |
 |
ILDIS |
| Newtonia buchananii (Baker) G.C.C.Gilbert & Boutiqu |
Accepted |
 |
ILDIS |
| Newtonia camerunensis Villiers |
Unresolved |
 |
WCSP (in review) |
| Newtonia contorta (DC.) Burkart |
Synonym |
 |
ILDIS |
| Newtonia devredii G.C.C.Gilbert & Boutique |
Unresolved |
 |
WCSP (in review) |
| Newtonia duncanthomasii Mackinder & Cheek |
Unresolved |
 |
WCSP (in review) |
| Newtonia duparquetiana (Baill.) Keay |
Accepted |
 |
ILDIS |
| Newtonia elliotii (Harms) Keay |
Accepted |
 |
ILDIS |
| Newtonia erlangeri (Harms) Brenan |
Accepted |
 |
ILDIS |
| Newtonia glandulifera (Pellegr.) G.C.C.Gilbert & Bout |
Accepted |
 |
ILDIS |
| Newtonia glaziovii (Harms) O.M.Barth & Yonesh. |
Synonym |
 |
ILDIS |
| Newtonia glaziovii (Harms) Burkart ex Barth & Yoneshigue |
Synonym |
 |
TRO |
| Newtonia grandifolia Villiers |
Accepted |
 |
ILDIS |
| Newtonia griffoniana (Baill.) Baker f. |
Accepted |
 |
ILDIS |
| Newtonia hildebrandtii (Vatke) Torre |
Accepted |
 |
ILDIS |
| Newtonia hildebrandtii (Vatke) Brenan |
Unresolved |
 |
TRO |
| Newtonia insignis Baill. |
Synonym |
 |
TRO |
| Newtonia klainei Harms |
Synonym |
 |
ILDIS |
| Newtonia leucocarpa (Harms) G.C.C.Gilbert & Boutiqu |
Accepted |
 |
ILDIS |
| Newtonia nitida (Benth.) Brenan |
Synonym |
 |
ILDIS |
| Newtonia paucijuga (Harms) Brenan |
Accepted |
 |
ILDIS |
| Newtonia psilostachya (DC.) Brenan |
Synonym |
 |
ILDIS |
| Newtonia scandens Villiers |
Unresolved |
 |
WCSP (in review) |
| Newtonia suaveolens (Miq.) Brenan |
Synonym |
 |
ILDIS |
| Newtonia warmingii (Benth.) G.P.Lewis |
Synonym |
 |
ILDIS |
| Newtonia zenkeri Harms |
Accepted |
 |
ILDIS |