Fig. 4From: Construction of the first high-density genetic linkage map and QTL mapping of flavonoid and leaf-size related traits in EpimediumThe stable QTLs for the total flavone content. The QTLs and frequency distribution of total flavone content in 2019 (a), 2020 (b) and 2021 (c). The stable QTL assessment result for total flavonoid content within three years (d)Back to article page