Pinguicula gigantea is a tropical species of carnivorous plant in the family Lentibulariaceae. Its native range is within Mexico. P. gigantea's flower is usually a purple colour with the occasional light blue also seen. P. gigantea was once classified as Pinguicula ayautla.

This Pinguicula was discovered by Alfred Lau and described by the botanist Hans Luhrs.

Pinguicula gigantea has a few different forms, such as the 'white flower' form or the 'blue flower'.

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