Fig. 5
From: Ixora (Rubiaceae) on the Philippines - crossroad or cradle?
Close-up on Philippine archipelago. Geographic distribution of main Ixora lineages (coloured accordingly, see Figs. 1, 2 and 3) on the Philippines (a) and hypothetical evolutionary pathways of plastid haplotypes as inferred using median networks of individual gene regions. b trnT-trnL intergenic spacer. c trnLLF region including trnL intron and trnL-trnF intergenic spacer. d rps16 intron. Circles, non-Philippine individuals; 7-pointed stars, Palawan samples; 5-pointed stars, other Philippine samples