Question: Which genus has more species, Buddleja or Koelreuteria?
Sentence (from "Buddleja delavayi"): Buddleja delavayi is a Chinese species discovered by Forrest in the Tali Range above Dali (2000 – 2500 m elevation), Yunnan, in 1910; it is also found in Xizang (Tibet).
Relevant evidence: No