Reference

Salvator Ntore, Jacques Nkengurutse, Sander De Backer, Bonaventure Sonké, Petra de Block, Steven Janssens, Brecht Verstraete, E. Robbrecht (2024): Calycosiphonia or Kupeantha (Coff eeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift – European Journal of Taxonomy – 0935: 1 - 28.