Fig. 5

Neighbor-joining gene tree representing the B-class MADS box genes. Gene copies assembled in this study are labeled by genus, colored according to taxa (orange: G. inermis, green: O. acuminata, dark red: P. aurea, blue: L. pauciflora) and numbered redundantly to distinguish copies. Reference gene copies are not colored, are abbreviated by binomial (At: Arabidopsis thaliana, Bd: Brachypodium distachyon, Os: Oryza sativa) and are numbered according to their labeling in Genbank. Nodes that were supported at over 50 % bootstrap are indicated