Heterostemon
Heterostemon is a genus of flowering plants in the family Fabaceae. It includes eight species native to northern South America, from Colombia and Venezuela to the Guianas and northern Brazil.  It belongs to the subfamily Detarioideae. It is usually green and often has white dots along its leaves.

As of August 2023, eight species are accepted by Plants of the World Online:

Heterostemon amoris 
Heterostemon conjugatus 
Heterostemon ellipticus 
Heterostemon impar 
Heterostemon ingifolius 
Heterostemon mazarunensis 
Heterostemon mimosoides 
Heterostemon otophorus

References

Detarioideae
Fabaceae genera
Flora of Southern America
Taxa named by René Louiche Desfontaines