The maximum-likelihood (ML) phylogentic trees of representative floral identity gene proteins generated with 1000 bootstrap replicates. Values are percentage bootstrap support. Genes isolated in this study are in bold font and are underlined. (A) LFY/FLO proteins. BoLFY, Brassica oleracea; CmLFY, Clianthus maximus, isolated in this study; FLO, Antirrhinum majus; LFY, Arabidopsis thaliana; LcLFY, Lotus corniculatus var. japonicus; MtUNI, Medicago truncatula; NEEDLY, Pinus radiata; NFL2, Nicotiana tabacum; PtLF, Populus trichocarpa; StLFY, Sophora tetraptera; UNI, Pisum sativum; GmLFY, Glycine max; ZFL1, Zea mays. Refer to Supplementary Data Table S2 (available online) for NCBI accession numbers. (B) Class A MADS-box proteins. AGL8, AP1, CAL, Arabidopsis thaliana; CmAP1, Clianthus maximus; EAP1-1, Eucalyptus globulus; LcAP1a, b, Lotus corniculatus var. japonicus; LpMADS1, Lolium perenne; MdAP1, MdCAL, MdMADS2, Malus × domestica; MtPIM, Medicago truncatula; NAP1, Nicotiana tabacum; PEAM4, PsFUL, Pisum sativum; PrMADS2, Pinus radiata; PtAP1-1, Populus trichocarpa; FRUITFUL, SQUA, Antirrhinum majus; StAP1, Sophora tetraptera. Refer to Supplementary Data Table S2 for NCBI accession numbers. (C) Class B MADS-box proteins. AP3, PI, Arabidopsis thaliana; CmPI, Clianthus maximus; DEF, GLO, Antirrhinum majus; FBPI, Petunia hybrida; GmNMH7, Glycine max; LcPIa, b, LcAP3, Lotus corniculatus var. japonicus; MtPI, Medicago truncatula; OsPI, Oryza sativa; PEAM1, Pisum sativum; PrDGL, Pinus radiata; StPI, Sophora tetraptera; VvAP3, VvPI, Vitis vinifera. Refer to Supplementary Data Table S2 for NCBI accession numbers. (D) Class C MADS-box proteins. AG, SHP1, SHP2, Arabidopsis thaliana; BnAG, Brassica napus; CmAG, Clianthus maximus; FARINELLI, PLE, Antirrhinum majus; LcAGa, LcAGb, LcAGL1, Lotus corniculatus var. japonicus; NAG1, Nicotiana tabacum; OsMADS3, Oryza sativa; PsM7, PsM8, Pisum sativum; PtAG1, PtAG2, Populus trichocarpa; PrMADS9, Pinus radiata; StAG, Sophora tetraptera; VvAG, Vitis vinifera; ZAG1, ZAG2, Zea mays. Refer to Supplementary Data Table S2 for NCBI accession numbers.