References
van Bergen, M.A. 1996. Revision of Catharanthus G. Don; series of revisions of Apocynaceae XLI. Wageningen Agricultural University Papers 96-3: 1-46. Google Scholar
van Bergen, M.A. 1996. Revision of Catharanthus G. Don; series of revisions of Apocynaceae XLI. Wageningen Agricultural University Papers 96-3: 1-46. Google Scholar