Fig. 3

(a) Embryo development (ovule to maturity) morphology and (b) raincloud plot showing embryo length: seed length ratios in developing seeds of Paeonia ostii. The raincloud plot combines an illustration of data distribution (the ‘cloud’) with raw point data (the ‘rain’). That is, the colored area (cloud) represents data distribution (the more data points in a specific range, the larger the cloud is for that range). The black boxplot is the interquartile range, middle line the median value and thin line extending from the box the upper (max) and lower (min) adjacent values in the data; the dots (rain) are raw point data. Points are random values assigned to the dots to separate them so that they are not plotted directly on top of each other. Different letters indicate significant differences in embryo length: seed length ratios among different days after pollination (P < 0.05)