Table 2.
Phylogenetic signal (Pagel's λ and associated chi‐square statistics and P‐values) of hybridization measures and potential predictors at different taxonomic levels
| Family level | Genus level | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Trait | N observed | Pagel's λ | Chi‐Square | DF | P‐value | N observed | Pagel's λ | Chi‐Square | DF | P‐value |
| Hybridization propensity | 195 | 0.30 | 32.31 | 1 | 0.000 | 1772 | 0.11 | 52.28 | 1 | 0.000 |
| Hybrid ratio | 195 | 0.14 | 8.06 | 1 | 0.005 | 1772 | 0.13 | 52.05 | 1 | 0.000 |
| Perenniality | 195 | 0.22 | 10.34 | 1 | 0.001 | 1754 | 0.47 | 314.01 | 1 | 0.000 |
| Woodiness | 195 | 0.47 | 40.87 | 1 | 0.000 | 1767 | 0.80 | 968.73 | 1 | 0.000 |
| Percent agricultural | 195 | 0.26 | 3.90 | 1 | 0.048 | 1772 | 1.00 | 6738.41 | 1 | 0.000 |
| Outcrossing | 76 | 0.01 | 0.01 | 1 | 0.943 | 158 | 0.24 | 3.72 | 1 | 0.054 |
| Red List | 138 | 0.00 | ‐0.01 | 1 | 1.000 | 374 | 0.25 | 21.45 | 1 | 0.000 |
| Floral symmetry | 114 | 0.51 | 13.33 | 1 | 0.000 | 235 | 0.76 | 124.51 | 1 | 0.000 |
| Pollination syndrome | 164 | 0.79 | 70.89 | 1 | 0.000 | 878 | 0.93 | 1208.71 | 1 | 0.000 |
| Breeding system | 130 | 0.03 | 0.17 | 1 | 0.678 | 639 | 0.09 | 8.87 | 1 | 0.003 |
| Reproductive system | 133 | 0.32 | 18.48 | 1 | 0.000 | 655 | 0.46 | 135.09 | 1 | 0.000 |
| C‐value | 177 | 0.66 | 57.11 | 1 | 0.000 | 761 | 0.74 | 476.77 | 1 | 0.000 |
| C.V. C‐value | 144 | 0.37 | 7.04 | 1 | 0.008 | 522 | 0.00 | –0.00 | 1 | 1.000 |