Question: Which is a genus to more species, Bauhinia or Cephalaria?

Context paragraphs:
Ernest Edward Galpin: Ernest Edward Galpin (1858–1941), was a South African botanist and banker.  He left some 16,000 sheets to the National Herbarium in Pretoria and was dubbed "the Prince of Collectors" by General Smuts.  Galpin discovered half a dozen genera and many hundreds of new species.  Numerous species are named after him such as "Acacia galpinii", "Bauhinia galpinii", "Cyrtanthus galpinii", "Kleinia galpinii", "Kniphofia galpinii", "Streptocarpus galpinii" and "Watsonia galpinii".  He is commemorated in the genus "Galpinia" N.E.Br.  as is his farm in the genus "Mosdenia" Stent.

Bauhinia: Bauhinia is a genus of more than 500 species of flowering plants in the subfamily Cercidoideae of the large flowering plant family Fabaceae, with a pantropical distribution.  The genus was named after the Bauhin brothers, Swiss-French botanists.

Bauhinia divaricata: Bauhinia divaricata is a species of flowering shrub of the family Fabaceae.  "B. divaricata" is the type species of the genus "Bauhinia".  One common name for this species is pom pom orchid tree.  It is native to China, Jamaica, India and also grows in the southern half of Florida.  It has white bi-lobed leaves that alternate.

Cephalaria: Cephalaria is a genus of about 65 species of flowering plants in the family Caprifoliaceae, native to southern Europe, western and central Asia, and northern and southern Africa.

Supporting paragraphs: Bauhinia Cephalaria
Answer: Bauhinia