''Crotonogyne'' is a

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

of the spurge family ( Euphorbiaceae) first described as a genus in 1864. It is native to western and central Africa.Kew World Checklist of Selected Plant Families
/ref> It is

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...

. ;Species ;Formerly included moved to other genera:

Cyrtogonone ''Cyrtogonone'' is a genus of shrubs or trees of the spurge family (Euphorbiaceae), first described as a genus in 1911. It contains only one known species, ''Cyrtogonone argentea'', native to tropical central Africa (Nigeria, Cameroon, Gabon, Equ ...

*''Crotonogyne argentea - Cyrtogonone argentea''

References

Aleuritideae Euphorbiaceae genera Flora of Africa Dioecious plants {{Euphorbiaceae-stub