Fig. 1

Color change and pigment content changes during E. chrysantha flowering process. A E. chrysantha color change process. S1: bud stage—green tepal; S2: full bloom flowering stage—yellow tepal; S3: late flowering stage—white tepal. B E. chrysantha pigment content changes during flowering. (1) Total carotenoid content at 3 stages. (2) Total chlorophyll content at 3 stages. (3) Total flavonoid content at 3 stages. Data in each period of the bar chart are presented as mean ± standard deviation. The lowercase letters on the bars represent significant differences (P < 0.05)