TABLE 3.

Summary of the Shimodaira–Hasegawa (SH) and the Approximately Unbiased (AU) tests.

Topological constraint	LnL	deltaL	p-AU	p-SH
ptDNA dataset	−7319.538
Best tree of the nrITS phylogeny	−8004.596	685.060	<0.001	<0.001
Constraint the monophyly of P. milliana	−7412.726	93.188	<0.001	0.005
Constraint the clade P. tenuituba + P. dolichosiphon	−7319.538	0.000	0.545	1.000
Constraint the monophyly of the P. siphonantha complex	−7319.539	0.001	0.455	0.451
nrITS dataset	−2255.921
Best tree of the ptDNA phylogeny	−2403.898	147.980	<0.001	<0.001
Constraint the monophyly of P. tenuituba	−2275.090	19.320	0.005	0.001
Constraint P. tenuituba + P. leptosiphon + P. siphonantha	−2255.921	0.000	0.988	1.000
Constraint Pedicularis sp. 2 (Jiaozi Mountain) sister to P. milliana	−2266.434	10.513	0.0147	0.569
Constraint P. tachanensis + P. amplituba sister to clade IV	−2282.702	26.782	0.002	0.248
Concanated nrITS + ptDNA dataset	−10765.132
Constraint P. tachanensis + P. amplituba sister to clade 2	−10782.516	17.384	0.005	0.049

deltaL, logL difference from the maximal logL in the set.