Fig. 4From: Correction to: Evolution of flower allometry and pigmentation in Mammillaria haageana (Cactaceae)Tepal shape and size variation according to the PCS axes. a, c, e, g depicts the PCS groups according to the previously proposed subspecies. b, d, f, h depicts the PCS groups according to their corresponding accession. Boxplots show the Q1, Q2, and Q3 quantiles, and outliers. Statistically homogeneous groups from a Dunn test (p < 0.05) are also depicted with lettersBack to article page