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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Flavonoid types and content heat map. Mature root, stem, and leaf samples are represented by mRO, mSO, and mLO, respectively. The flavonoid content in the heatmap is log2 processed.