Pinguicula involuta Ruiz & Pavon
      
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2 793867 Pinguicula involuta Ruiz & Pavon Lentibulariaceae
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 1(coloured version): (Plates 1-152): p. 20, t. 31, fig. c (1798)