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Table 1 Estimated mean node ages (Ma) for selected divergence events under different clock models. Ages are in million years, and the values in brackets are the 95% posterior probability intervals

From: Clock-dated phylogeny for 48% of the 700 species of Crotalaria (Fabaceae–Papilionoideae) resolves sections worldwide and implies conserved flower and leaf traits throughout its pantropical range

Node of interest Fossil calibration Substitution rate
calibration
  Strict clock Relaxed clock Strict clock
Root 77.5 (63.8–92.4) 87.0 (58.2–122.2) 93.2 (81.0–106.1)
Crotalaria stem node 23.1 (18.4–27.9) 29.5 (21.4–50.6) 29.5 (26.2–33.0)
Crotalaria crown node 17.7 (14.3–21.5) 29.1 (18.3–42.4) 22.9 (20.5–25.4)
Core Chrysocalycinae crown node 14.0 (12.4–19.0) 26.5 (15.8–38.5) 19.3 (16.9–21.7)
2n = 14 clade 11.7 (8.7–14.8) 29.5 (18.3–42.3) 16.5 (13.3–19.6)
Truncate calyx tube clade crown node 12.2 (9.7–15.0) 22.1 (13.0–32.0) 16.4 (14.3–18.5)
Linearifoliolata/persica clade crown node 16.7 (13.3–20.2) 26.4 (16.5–37.8) 21.6 (19.3–24.1)
Bulbous standard appendages clade crown node 13.6 (10.5–16.7) 22.4 (13.7–32.2) 17.9 (15.3–20.6)
Bilabiate calyx clade crown node 12.4 (9.6–15.1) 20.9 (12.6–30.1) 15.7 (13.4–18.0)