Flora Somalia, Vol 3, (2006) Author: by M. Gilbert (Ceropegia), D. Goyder (Calotropis, Conomitra, Glossonema, Gomphocarpus, Leptadenia, Marsdenia, Odontanthera, Oxystelma, Pentatropis, Pergularia, Secamone, Stigmatorhynchus, Tylophora), J. Lavranos (Ballyanthus, Caralluma, Desmidorchis, Duvalia, Echidnopsis, Edithcolea, Huernia, Orbea, Pseudolithos, Pseudopectinaria, Rhytidocaulon, Sanguilluma, Whitesloanea), S. Liede-Schumann (Blyttia, Calciphila, Cynanchum, Goydera, Pentarrhinum, Pleurostelma, Schizostephanus), M. Thulin (Acokanthera, Adenium, Ancylobotrys, Carissa, Catharanthus, Cryptostegia, Ephippiocarpa, Hunteria, Landolphia, Nerium, Plumeria, Saba, Strophanthus, Tabernaemontana, Thevetia, Wrightia), and J. Venter (Buckollia, Cryptolepis, Periploca, Raphionacme, Schlechterella, Tacazzea). [updated by M. Thulin 2008]