Between Purshia and Juniper, which genus has more species?
Purshia: Purshia (bitterbrush or cliff-rose) is a small genus of 5-8 species of flowering plants in the family Rosaceae, native to western North America, where they grow in dry climates from southeast British Columbia in Canada south throughout the western United States to northern Mexico. Juniper:  The highest-known Juniper forest occurs at an altitude of 16000 ft in south-eastern Tibet and the northern Himalayas, creating one of the highest tree-lines on earth.
i don't know