Which has more species, Erythrina or Thalia?
Erythrina: Erythrina is a genus of flowering plants in the pea family, Fabaceae. Erythrina:  It contains about 130 species, which are distributed in tropical and subtropical regions worldwide. Thalia (plant): Thalia is a genus of six currently recognized species found in aquatic or marshy habitats, ranging in Africa from Senegal to Sudan to Zimbabwe, and in the Americas from Illinois to Argentina.
Erythrina