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PCA variable loading characters of seed micro-morphology of studied Oxytropis species.
| PCA variable loadings | PC1 | PC2 | PC3 |
|---|---|---|---|
| Shape of seed | -0.01682 | -0.32175 | 0.7042 |
| Sculpturing | -0.24237 | 0.44835 | 0.07685 |
| Hilum position | 0.33478 | -0.18679 | 0.5441 |
| Length | 0.50744 | 0.37518 | 0.00087 |
| Width | 0.48498 | -0.23663 | -0.28718 |
| L/W ratio | 0.14335 | 0.68091 | 0.32905 |
| Seed weight | 0.56183 | -0.01324 | -0.10682 |
| Eigenvalue | 2.90597 | 1.55275 | 1.33831 |
| Variability/% | 41.51384 | 22.18208 | 19.11869 |
| Cumulative/% | 41.51384 | 63.69592 | 82.81461 |
