Table 3.

Principal component analysis based on ecogeographical data of H. chilense accessions.

Variable	Principal Component
	PC1	PC2	PC3
Elevation	0.126	-0.586	0.755
Warmest month	-0.445	0.779	0.389
Coldest month	-0.568	0.763	0.253
Latitude	0.906	0.327	0.171
Longitude	0.213	0.865	-0.147
Wettest month	0.896	0.181	0.148
Driest month	0.893	0.236	-0.038
Variance (%)	42.9	35.4	12.3