Table 1. Estimates of mating system for Anadenanthera colubrina (Vellozo) Brenan and A. peregrina (Lineau) Spegazzini sampled in populations located in Ribeirão Preto, Sao Paulo State, Southeast Brazil.

Parameters	A. colubrina	A. peregrina
Number of seed-trees/progeny arrays	10/322	10/300
Multilocus outcrossing rate (tm)	0.619 [0.57–0.66]	0.905 (0.89–0.92]
Multilocus outcrossing rate by family
Family [01]	1.200 [1.02–1.37]	0.791 [0.77–0.82]
Family [02]	0.866 [0.72–1.01]	1.200 [1.19–1.21]
Family [03]	0.677 [0.57–0.79]	0.875 [0.84–0.91]
Family [04]	0.296 [0.25–0.34]	0.875 [0.84–0.91]
Family [05]	0.655 [0.55–0.76]	0.833 [0.80–0.86]
Family [06]	0.713 [0.59–0.84]	0.901 [0.87–0.93]
Family [07]	0.628 [0.52–0.74]	1.200 [1.19–1.21]
Family [08]	0.624 [0.52–0.73]	0.830 [0.80–0.86]
Family [09]	0.477 [0.40–0.56]	0.931 [0.90–0.96]
Family [10]	0.196 [0.01–0.23]	0.961 [0.92–1.00]
Single-locus outcrossing rate (ts)	0.460 [0.42–0.50]	0.690 [0.67–0.71]
Mating rate among relatives (tm - ts)	0.159 [0.12–0.19]	0.216 [0.20–0.24]
Selfing rate (1 – tm)	0.381 [0.34–0.43]	0.095 [0.08–0.11]
Multilocus paternity correlation (rp)	0.465 [0.41–0.52]	0.677 [0.62–0.74]
Multilocus paternity correlation within fruits	0.905 [0.84–0.97]	0.805 [0.73–0.88]
Multilocus paternity correlation among fruits	0.383 [0.33–0.44]	0.298 [0.24–0.36]
Average number of pollen donors: Nep	2.15	1.48
Average number of pollen donors within fruits	1.10	1.24
Average number of pollen donors among fruits	2.61	3.35
Fixation index in adult-trees	0.202*	0.091*
Fixation index in progeny arrays	0.393*	0.119*

Notes:

( ) 95% confidence interval obtained by 1,000 bootstraps. Confidence intervals that fall within 1 (for t_m and t_s estimates) or 0 (for t_m–t_s estimate) are not significant.

^*p < 0.05.