Table 1.
Parameters and results of the divergence time estimate calculations using secondary calibration of node age of tribe Arabideae (Couvreur et al., 2010)
| Based on nrDNA ITS | Based on cpDNA trnL-F | |
|---|---|---|
| Runs/generations | Four independent runs with 50 million generations each | Four independent runs with 50 million generations each |
| log likelihood | –8605·87/–8568·87/–8533·48 | –6753·57/–6724·46/–6671·78 |
| tmrca of the tribe Arabideae (Ma) | 10·0/14·1/21·5 | 10·0/14·1/21·5 |
| tmrca of constrained node CN1 (Ma) | 5·00/9·80/16·2 | – |
| tmrca of constrained node CN2 (Ma) | 5·92/10·9/17·6 | – |
| tmrca of constrained node CN3 (Ma) | 8·14/12·7/19·8 | – |
| tmrca of constrained node CN4 (Ma) | 8·65/13·1/20·5 | – |
| tmrca of Draba and the Tomostima clade (Ma) | 4·73/8·14/12·9 (exclusive Drabella muralis) | 8·45/13·6/21·4 |
| tmrca of the core Draba (w/o Draba hederifolia and Draba verna) (Ma) | 3·48/6·26/10·0 | 4·51/7·79/12·4 (furthermore exclusive Draba crypthanta) |
| tmrca of Aubrieta (including Arabis verna) (Ma) | 0·91/2·74/5·14 | 1·87/5·19/9·49 |
| tmrca of the Arabis alpina clade (including its annual sister species) (Ma) | 0·96/2·65/4·90 | 1·29/3·27/5·85 |
| tmrca of the Arabis nordmanniana clade (Ma) | 0·18/1·05/2·24 | 0·13/1·43/3·34 |
| tmrca of the Arabis auriculata clade (Ma) | 0·78/3·02/5·87 | 4·00/10·2/17·5 |
| tmrca of the Arabis aucheri clade (Ma) | 0·077/0·90/2·16 | 0·007/0·83/2·26 |
| tmrca of the main Arabis clade (Ma) | 3·27/6·58/10·9 | 3·50/7·09/11·8 |
| tmrca of the Scapiarabis clade (Ma) | 1·94/4·17/7·16 | 4·26/10·6/18·6 |
| ucld.mean | 2·32 × 10−9/4·48 × 10–9/6·59 × 10−9 | 0·99 × 10−9/1·94 × 10–9/2·84 × 10−9 |
| meanRate | 2·58 × 10−9/4·77 × 10–9/6·90 × 10−9 | 1·00 × 10−9/1·92 × 10–9/2·78 × 10−9 |
Mean values are indicated in bold; the lower and upper bounds of the 95 % highest posterior density (HPD) interval are given before and after that value, respectively. Enforced bounds are indicated in italics.