Banisteriopsis, Diplopterys (Malpighiaceae)

by Bronwen Gates

This title is monograph 30 in the Flora Neotropica series. The last monographic revision of Banisteriopsis, by Franz Niedenzu (1928), recognized 74 species. In the present revision, the author recognizes 92 species, of which 34 are new. Diplopterys is included with this treatment of Banisteriopsis because the two genera appear to be very closely related; in flower it is very difficult to distinguish them.