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6 661160 Merremia macrocalyx (Ruiz & Pavon) O'Donell [125 270923 Convolvulus macrocalyx Ruiz & Pavon]
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 1(coloured version): (Plates 1-152): p. 10, t. 118, fig. b (1798)
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