Table 1.

Results of Mantel Tests Evaluating the Correlation of Indels and Substitution Rates Along Branches

Region, Subgenus, Group	N	Z	P value
rps4–psbZ, genus-wide	62	552.88	<0.001
psbZ–rps4, Pelargonium	25	84.95	<0.001
psbZ–rps4, Parvulipetala	12	13.79	0.004
psbZ–rps4, Magnipetala	10	21.34	<0.001
psbZ–rps4, Paucisignata	15	41.67	<0.001
psbZ–rps4, Paucisignata, Group C	8	10.62	0.032
psbZ–rps4, Paucisignata, Group S	7	9.76	0.005
rbcL–psaI, Pelargonium	10	23.37	<0.001
rbcL–psaI, Parvulipetala	3	1.82	0.326
rbcL–psaI, Magnipetala	10	18.65	<0.001
rbcL–rps18, Paucisignata	15	48.89	<0.001
rbcL–rps18, Paucisignata, Group C	8	10.86	0.004
rbcL–rps18, Paucisignata, Group S	7	10.57	0.014
18s spacer–psaJ, Paucisignata, Group C	8	13.25	<0.001
18s spacer–psaI Paucisignata, Group S	7	9.81	0.011
psaI-ndhF, Paucisignata, Group C	8	8.48	<0.001
psaJ-ndhF Paucisignata, Group S	7	11.26	0.023
rps18–rpl20, Pelargonium	25	81.09	<0.001
rps18–rpl20, Parvulipetala	12	13.67	0.001
rps18–rpl20, Magnipetala	10	14.24	<0.001
ndhF–rpl32, Pelargonium	25	58.64	<0.001
ndhF–rpl32, Parvulipetala	11	7.76	0.031
ndhF–rpl32, Magnipetala	10	15.35	<0.001
rpl20–rpl32, Paucisignata	15	26.33	<0.001
rpl20–rpl32, Paucisignata, Group C	8	9.00	0.256
rpl20–rpl32, Paucisignata, Group S	7	10.44	0.005