Fig. 1

Tanglegram showing maximum likelihood trees based on the nuclear (left) and the plastid (right) datasets, after exclusion of the cultivated species. Branch numbers indicate bootstrap support values and posterior probabilities for the main lineages. Major clades are labelled with roman numbers for nuclear data, and uppercase letters for the plastid data (subclades use lowercase letters and Arabic numbers). Colours highlight main lineages characterized by coherent combinations of nuclear and plastid genotypes: red, lineage endemic to the Philippines (with nucleome type I and plastome type A); orange, putative South Asian-Australasian sister lineage of the red lineage (I/B); purple, Southeast Asian lineage with Philippine members (II/B), blue, African-New World lineage (III/C); green, East Asian lineage with members on Palawan and in the Philippines (IV/B). Same colouring scheme is used in subsequent figures and tables