Table 7.

Pearson correlation coefficients between environmental parameters and leaf flavonoid concentrations (n = 27)

Environmental factor	Flavonoid concentrations (mg g−1)
	Total	Quercetin	Isoquercitrin	Kaempferol
Monthly light intensity (μmol m−2 s−1)	0.580*	0.771**	0.780**	0.785**
Monthly air temperature (°C)	0.240	0.298	0.481	0.292
Monthly relative humidity (%)	−0.257	−0.404	−0.316	−0.439

* and ** indicate correlation is significant at the 0.05 and 0.01 level, respectively