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Fig. 7. (A) Box-and-whisker diagram of the adhesion force of single adhesive
droplets in the tentacle-shaped trichomes of Roridula gorgonias,
measured on different surfaces. The ends of the boxes define the 25th and 75th
percentiles, with a line at the median and error bars defining the 10th and
19th percentiles. Arrows point to areas of substrates where force was
measured. (B) Statistical differences between surfaces (Kruskal–Wallis
one-way ANOVA on ranks, H5,119=25.317, P
0.001
and Tukey test, P<0.05).