Which genus has more species Tetradium or Schlumbergera?
Tetradium Tetradium is a genus of nine species of trees in the family Rutaceae, occurring in temperate to tropical east Asia. In older books, the genus was often included in the related genus "Euodia" (sometimes written, ""Evodia"" from latin spelling), but that genus is now restricted to tropical species. In cultivation in English-speaking countries, they are known as Euodia, Evodia, or Bee bee tree.
Schleichera Schleichera is a monotypic genus of plants in the soapberry family, Sapindaceae. There is only one species, Schleichera oleosa, a tree that occurs in the Indian Subcontinent and Southeast Asia.