From: Shooting darts: co-evolution and counter-adaptation in hermaphroditic snails
 | Component loadings | |||
---|---|---|---|---|
Data | PC1 | PC2 | PC3 | PC4 |
Love-dart | Â | Â | Â | Â |
Number of darts | 0.807* | -0.212 | -0.262 | 0.050 |
Number of blades | 0.492†| 0.544 | 0.303 | 0.318 |
Length of blades | 0.664* | 0.381 | 0.517 | 0.158 |
Curvature | 0.534* | 0.169 | 0.127 | 0.668 |
Functional stylophore(s) | Â | Â | Â | Â |
Number | 0.781* | -0.204 | -0.379 | -0.219 |
Relative size | 0.411†| 0.498†| -0.447 | 0.393 |
Placement on vaginal duct | 0.536* | 0.053 | -0.578 | -0.286 |
Vestigial stylophore(s) | Â | Â | Â | Â |
Number | 0.527†| -0.775 | 0.125 | 0.013 |
Relative size | 0.361†| -0.655 | 0.258 | 0.180 |
Placement on vaginal duct | 0.527†| -0.753 | 0.165 | 0.106 |
Glands | Â | Â | Â | Â |
Number | 0.709* | -0.339 | -0.050 | -0.225 |
Relative size | 0.472 | 0.592 | -0.275 | -0.089 |
Type of branching | 0.275 | 0.360 | -0.277 | 0.189 |
Placement | 0.871* | -0.133 | -0.050 | 0.258 |
Diverticulum of spermatophore receiving organ | Â | Â | Â | Â |
Length relative to bursa tract | 0.457 | 0.359 | 0.216 | -0.470 |
Placement | 0.554* | 0.308 | 0.431 | -0.342 |
Relative size | 0.184* | 0.454 | 0.303 | -0.167 |
Flagellum | Â | Â | Â | Â |
Relative length | 0.614* | 0.141 | 0.138 | -0.429 |