Unknown - Tell us
The subspecies 'ernestii' has a darker green epidermis, only 1 central spine and overall on the average darker spines than the subspecies...Read More 'backebergiana'. The subspecies 'backebergiana' can have from 1-3 central spines.
The subspecies 'ernestii' has a darker green epidermis, only 1 central spine and overall on the average darker spines than the subspecies...Read More