Relationship between genome size and kmer diversity (k = 21) among 174 chloroplasts.

<p>The solid black line indicates a 1∶1 ratio between genome size and kmer diversity while the blue dashed line is fit to the chloroplasts with inverted repeats (kmers = 1801+0.82*genome size). A) 174 chloroplasts, color-coded as indicated in the legend. Several taxa are indicated by the following codes: <i>Rg</i> = <i>Rhizanthella gardneri</i>; <i>Ev</i> = <i>Epifagus virginiana</i>; Cr = <i>Chlamydomonas reinhardtii</i>; <i>Px</i> = <i>Pelargonium</i>_<i>x</i>. The two pairs of <i>Cuscuta</i> taxa are indicated by ellipses, according to whether they are holo- or hemi-parasitic. B) Angiosperm chloroplasts 110–170 kb, color-coded as in the legend. Several taxa are indicated by the following codes: <i>Ce</i> = <i>Cuscuta exaltata</i>; <i>Ms</i> = <i>Monsonia speciosa</i>; <i>Et</i> = <i>Erodium texanum</i>; <i>Ts</i> = <i>Trifolium subterraneum</i>; <i>Io</i> = <i>Illicium oligandrum</i>; <i>Gp</i> = <i>Geranium palmatum</i>.