Fig. 5. Comparison of sequences around BrTCP15 between Brassica rapa varieties, along with the leaf shape of Murasakihime and a hybrid between Mizuna and Murasakihime.

a Gene and marker positions around BrTCP15 and graph of the ΔSNPs-index (Mibuna–Mizuna) on LG A07. The horizontal axis represents the position around BrTCP15 on chromosome A07 (Mb). Triangles on the horizontal line show BrTCP15 (blue), BrATHB13 (cyan), and other genes (gray) within the locus of ~61 kbp. The dotted lines indicated by the double-headed arrow show an area of ~61 kbp between 25,198 and 25,259 kbp, in which Mibuna-allele homo SNPs are concentrated. b Picture of “A type of Mizuna” depicted in Syokubutsu-zusetsu-zassan, published around 1850. The text can be translated as “A type of Mizuna. The leaves are purple, and the root is white. The dark colored parts are purple.” c A graph of the ΔSNPs-index (Murasakihime-Mizuna). Triangles and dotted lines indicate the same as described in a. d The leaf shapes of turnip variety Murasakihime (left) and a hybrid of Mizuna and Murasakihime (right) grown for 4 weeks. Scale bars; 3 cm