Between Platycarya and Houttuynia, which has more species within the genus?
Houttuynia Houttuynia is a genus of two species in the Saururaceae native to Southeast Asia. One species, "H. cordata", is widely cultivated as a culinary herb. The genus was originally described in 1783 by Carl Peter Thunberg when he formally described "H. cordata" as the only species. It remained a monotypic genus until 2001 when Zheng Yin Zhu and Shi Liang Zhang discovered and described a second species native to China, "H. emeiensis".
Scuticaria (plant) Scuticaria is a genus of orchids comprising 9 species native to Belize, Brazil, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela. Members of this genus have showy flowers and long cylindrical leaves. They are epiphytic, occasionally lithophytic or terrestrial, that grow pending and are cespitously, or reptant and ascending, which exist is three isolated areas of South America, in Ecuador, Amazon Forest and Serra do Mar and Serra da Mantiqueira mountains, in Brazil, both in shady and sunny places.