Which genus has more species, Fontanesia or Antigonon?
Fontanesia Fontanesia is a genus of flowering plants in the family Oleaceae, usually treated as comprising a single species Fontanesia phillyreoides, though some authors split this into two species (see below). It is native to southern Europe (Sicily), southwestern Asia (Lebanon, Syria, Turkey) and eastern Asia (China), with two well-separated populations.
Afrobrunnichia Afrobrunnichia is a genus of plants in the family Polygonaceae with two species in West Africa.