Table 3.

Summary statistics (population genomics).

Comparison	H. annuus-H. debilis	H. annuus-H. petiolaris	H. debilis-H. petiolaris
Mean FST per gene (13,412 genes)	0.28	0.23	0.25
Median FST per gene (13,412 genes)	0.26	0.22	0.21
Coding SNPs (12,310 Open Reading Frames)
Synonymous polymorphic SNPs (Ps)	147,193	162,867	174,480
Non-synonymous polymorphic SNPs (Pn)	104,969	116,701	126,668
Synonymous fixed (FST > 0.9) SNPs (Ds)	3,339	2,612	865
Non-synonymous fixed (FST > 0.9) SNPs (Dn)	3,581	2,935	873
alpha (proportion of base substitutions fixed by natural selection) and confidence intervals	0.26	0.29	0.19
	[0.22–0.31]	[0.24–0.34]	[0.11–0.29]
G-statistic (p-value) *	239	231	23
	(2.2e–16)	(2.2e–16)	(1.4e–6)
d N /d S	0.22	0.24	0.22

* G-test conducted as in [27].