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6 661160 Merremia macrocalyx (Ruiz & Pavon) O'Donell [125 270923 Convolvulus macrocalyx Ruiz & Pavon]
H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 255 [118] (1777) [J. Brunete]
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