Urban, I. 1883. Jahrb. Konigl. Bot. Gart. Berlin. 2: 109.
Minas Gerais, Brazil, South America - Neotropics
29 Oct 1878
Species name probably superfluous when published (two earlier species in syn.). Arbo (2008) cites "isotypi" (incl. US) but this sheet is apparently a syntype as she designated Regnell I 100 with a collection date of "30-IX-1864" at S as the lectotype.