wolof: the West African language of the Wolof in Senegal; related to Fula
niger-kordofanian: the family of languages that includes most of the languages spoken in Africa south of the Sahara; the majority of them are tonal languages but there are important exceptions (e.g., Swahili or Fula)
ericales: Ericaceae; Clethraceae; Diapensiaceae; Epacridaceae; Lennoaceae; Pyrolaceae; Monotropaceae