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PAS reaction and Lugol’s staining of the Pinguicula species that were examined, which contain amyloplasts with starch grains (arrow, inserts) inside various types of non-glandular trichomes. (A–C) P. agnata; scale bars = 10 µm, 10 µm, 50 µm, respectively. (D and E) P. albida; scale bars = 10 µm and 50 µm, respectively. (F) P. ibarrae; scale bar = 50 µm. (G) P. martinezii; scale bar = 50 µm. (H) P. filifolia; scale bar = 50 µm. (I) P. gigantea; scale bar = 50 µm.
