Fig. 2

Phylogenetic tree of diverse species showing the number of LRR-RLK family. Linear scale Time Mya (millions of years ago) was shown at the tree’s bottom. 20 plants including Saccharum spontaneum, Saccharum officinarum, Oryza sativa, Brachypodium distachyon, Sorghum bicolor, Solanum tuberosum, Solanum lycopersicum, Arabidopsis thaliana, Citrus sinensis, Citrus clementina, Fragaria vesca, Pyrus bretschneideri, Malus domestica, Prunus persica, Ostreococcus lucimarinus, Physcomitrella patens, Populus trichocarpa, Medicago truncatula, Glycine max, Ananas comosus