Fig. 1

Gene circle maps of seven newly sequenced Ilex species. The colored bars indicate different functional groups. Thick lines of the large circle indicate the extent of the inverted repeat regions (IRa and IRb), which separate the genome into small (SSC) and large (LSC) single copy regions. Genes on the inside and outside of the large circle are transcribed clockwise and counterclockwise, respectively. The darker gray columns in the inner circle correspond to the GC content, the light gray to AT content