Data for: Bioactive components of flare tree peony (Paeonia rockii (S.G.Haw & Lauener) T.Hong & J.J.Li ex D.Y.Hong) leaves highlight the industrial potential and chemotaxonomic significance of tree peonies

Total ion chromatogram from HPLC-ESI-QTrap-MS, the metabolic content of tree peony cultivars and R code for graphs.