Which genus, Bismarckia or Adonis, if either, contains more species ?
Bismarckia: Bismarckia is a monotypic genus of flowering plant in the palm family endemic to western and northern Madagascar where they grow in open grassland. Adonis (plant): Adonis is a genus of about 20–30 species of flowering plants of the crowfoot family, Ranunculaceae, native to Europe and Asia.
Adonis