Between Platycarya and Houttuynia, which has more species within the genus?
Platycarya Platycarya is a genus of flowering plants in the family Juglandaceae, usually treated as comprising a single species Platycarya strobilacea, though one to two additional species are accepted by some authors. It is native to eastern Asia in China, Korea, and Japan.
Punica Punica is a small genus of fruit-bearing deciduous shrubs or small trees. The better known species is the pomegranate ("Punica granatum"). The other species, the Socotra pomegranate ("Punica protopunica"), is endemic to the island of Socotra. It differs in having pink (not red) flowers and smaller, less sweet fruit.