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. 2020 Jun 27;126(6):1039–1048. doi: 10.1093/aob/mcaa123

Fig. 7.

Fig. 7.

PAS reaction and Lugol’s staining of various non-glandular trichomes of the Pinguicula species that were examined that are most probably pollinated by hummingbirds. (A) PAS reaction of a P. mesophytica non-glandular trichome; scale bar = 50 µm. (B) Negative result of the Lugol’s staining of the P. mesophytica non-glandular trichomes; scale bar = 100 µm. (C and D) Negative result of the Lugol’s staining of the P. hemiepiphytica non-glandular trichomes; scale bars = 100 µm and 100 µm, respectively.