Table 2.
Phylogenetic signals of quantitative and qualitative traits estimated by Pagel’s lambda and Blomberg’s k. Significant effects at p < 0.05 are presented in bold
Quantitative traits (Log-transformed) |
Pagel’s lambda | Blomberg’s k | ||
---|---|---|---|---|
λ | p-value | k | p-value | |
Pollen number | 0.95 | < 0.001 | 0.61 | < 0.001 |
Ovule number | 0.93 | < 0.001 | 0.48 | < 0.001 |
P/O | 0.95 | < 0.001 | 0.60 | < 0.001 |
Display area | 0.62 | < 0.001 | 0.31 | < 0.001 |
Tube depth | 1.01 | < 0.001 | 1.05 | < 0.001 |
Stamen height | 0.74 | < 0.001 | 0.39 | < 0.001 |
Stigma height | 0.88 | < 0.001 | 0.61 | < 0.001 |
Stigma stamen separation | 0.31 | 0.01 | 0.26 | 0.03 |
Flower number | 0.38 | < 0.001 | 0.22 | < 0.05 |
Inflorescence height | 0.05 | 0.67 | 0.17 | 0.05 |
Qualitative traits | log-likelihood | AIC | λ | p -value |
Flower shape | -33.42 | 70.84 | 0.09 | < 0.05 |
Flower cluster | -22.10 | 48.20 | 1.00 | < 0.05 |
Flower symmetry | -29.14 | 62.27 | 0.89 | < 0.05 |
Pollen presentation | -31.83 | 67.66 | 0.96 | < 0.05 |