Which has more species Peltophorum or Gentiana?
Peltophorum: Peltophorum is a genus of 5–15 species of flowering plants in the family Fabaceae, subfamily Caesalpinioideae. Gentiana: Gentiana is a genus of flowering plants belonging to the gentian family (Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. Gentiana:  With about 400 species it is considered a large genus.
Gentiana