Merremia macrocalyx (Ruiz & Pavon) O'Donell [ Convolvulus macrocalyx Ruiz & Pavon]
no HD illustration available (m1)
Merremia macrocalyx (Ruiz & Pavon) O'Donell [ Convolvulus macrocalyx Ruiz & Pavon] [Convolvulaceae]
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 1(coloured version): (Plates 1-152): p. 10, t. 118, fig. b (1798)