Table 2.
Model | Foreground branches | Number of parameters | Log- likelihood | AIC score |
---|---|---|---|---|
M1aa | – | 399 | –49702 | 10202 |
M2ab | – | 401 | –49702 | 10206 |
Ac | (a) each C4 and CAM groupsd | 401 | –49588 | 99978 |
Ac | (b) a + ppc-1E1c | 401 | –49523 | 99848 |
Ac | (c) b + ppc-1E1d + ppc-1E1e | 401 | –49383 | 99568 |
Ac | (d) c + ppc-1E1b | 401 | –49416 | 99634 |
Ac | (e) d + ppc-1E1a | 401 | –49556 | 99914 |
a Site model without adaptive evolution.
b Site model with adaptive evolution.
c Branch-site model with adaptive evolution.
d Except for Portulacineae other than Portulaca.