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. Houttuynia: Houttuynia is a genus of two species in the Saururaceae native to Southeast Asia.
Houttuynia