"cophylo" object.nodelabels.cophylo(..., which=c("left","right"))
edgelabels.cophylo(..., which=c("left","right"))
tiplabels.cophylo(..., which=c("left","right"))nodelabels, edgelabels, or tiplabels."left" or "right" tree) to be used."cophylo" than they are in the original input trees, particularly if cophylo(...,rotate=TRUE) was used.cophylo, edgelabels, nodelabels, tiplabels