In between Dissotis and Heuchera which one is distributed across Africa?
Dissotis: Dissotis is a genus of plants in the family Melastomataceae. Dissotis:  There are about 111 - 140 species, distributed across Africa. Heuchera: Heuchera is a genus of evergreen, herbaceous perennial plants in the family Saxifragaceae, all native to North America.
Dissotis