17. Eumachia rotundifolia (R.D. Good) Razafim. & C.M. Taylor, c omb. nov.
Ξ Psychotria rotundifolia R.D. Good in J. Bot. 64(suppl. 2): 32. 1926 . Ξ Chazaliella rotundifolia (R.D. Good) E.M.A. Petit & Verdc. in Kew Bull. 30: 270. 1975 . Ξ Margaritopsis rotundifolia (R.D. Good) Razafim. & B. Bremer in Amer. J. Bot. 101: 1118. 2014 .
Lectotypus (designated by VERDCOURT, 1975: 270): ANGOLA. Cabinda: Portuguese Congo, Buco Zau, Maiumbe, 15.XI.1916, Gossweiler 6812 (BM [BM 000903544] i m a g e s e e n; isolecto -: LISC [LISC001010, LISC001011] images seen) .
Note. – This species is found in Cabinda in northern Angola (VERDCOURT, 1977).