Araujia stuckertiana subsp. grandiflora (Malme) Fontella & Goyder, comb. nov.

Basionym: Morrenia grandiflora Malme (1909b: 21) . [non Araujia grandiflora (Martius in Martius & Zuccarini 1824: 57) Morong in Morong & Britton (1893: 161)]. Type: BOLIVIA. Tarija: Gran Chaco, Canto del Monte near Pilcomayo, R. Fries 1581 (holotype S!).