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Table 1 Correlation matrix of 14 variables with the first and two principal component scores of PCA analysis

From: Effect of nutrient and moisture on the growth and reproduction of Epilobium hirsutum L., an endangered plant

Variables Factors
I II
Shoot length − 0.895394 0.021109
No. of leaves − 0.567502 − 0.207993
Leaf width length − 0.176009 0.690317
Leaf lamina length − 0.195294 0.543986
No. of runners − 0.395305 − 0.171323
No. of flower buds − 0.859450 − 0.266172
No. of flowers − 0.872042 − 0.255074
Peduncle length − 0.455668 0.630369
No. of seeds per peduncle − 0.344601 0.652395
No. of seeds per individual − 0.687888 0.529765
Variance explained (%) 37.80 29.64