maximum of 1000 trees saved per round. The results showed no
significant incongruence between any pairs of the cpDNA loci (p
ranges from 0.197 to 1.000) or between exons and introns of CDS
(P = 0.884), but there was significant ionncgruence between the
combined cpDNA and the nuclear CDS datasets (P = 0.001). The
seven cpDNA loci were then combined for the analysis, and the
exons and introns of CDS from Chrysanthemum, Ajania, and
Phaeostigma were also combined for analysis. The chloroplast and
nuclear data were analyzed separately.