Table 6. Distribution of transcription factor families amongst the floral transcriptomes studied.

A total of 508 transcription factors were ascribed to 36 of the 58 plant transcription factor families characterized in the PlantTFDB v4.0. Outgroup species is D. thyrsiflora.

	Shared by all	Zingiberales	Banana clade	Ginger clade	Canna-Calathea	Zingiber	Outgroup (Dichorisandra thyrsiflora)
Transcription Factor Families (PlantTFDB v4.0)	25	22	19	18	20	30	21
Putative Transcription Factors (not in PlantTFDB v4.0)	0	0	1	0	2	3	2