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.
Pearsonia Pearsonia is an African plant genus of some 12 species belonging to the family Fabaceae and occurring south of the equator with 1 species found on Madagascar. The species are usually herbs or shrublets with woody rootstocks. Leaves are usually sessile and 3-foliolate. The inflorescence is a congested or lax terminal raceme. The name of this genus commemorates the South African botanist Henry Harold Welch Pearson.