Table 1.

Species for which the genetic basis of altered floral pigment intensity have been characterized.

Taxon	Gain (G) or Loss (L)	Segregating (S) or fixed (F)	Derived phenotype	Locus	Gene	Mutation	References
Petunia axillaris	L	F	Whitea	AN2	R2R3-MYB (tf)	Codingd	Quattrocchio et al., 1999
Antirrhinum majus ssp. striatum	Lc	F	Yellowa	ROSEA	R2R3-MYB (tf)	?	Whibley et al., 2006
Antirrhinum latifolium	Lc	F	Palea	ROSEA	R2R3-MYB (tf)	?	Schwinn et al., 2006
Antirrhinum meonanthemum	Lc	F	Palea	ROSEA	R2R3-MYB (tf)	?	Schwinn et al., 2006
Antirrhinum molle	Lc	F	Palea	ROSEA	R2R3-MYB (tf)	?	Schwinn et al., 2006
Antirrhinum graniticum	Lc	F	Palea	ROSEA	R2R3-MYB (tf)	?	Schwinn et al., 2006
Antirrhinum mollissimum	Lc	F	Palea	ROSEA	R2R3-MYB (tf)	?	Schwinn et al., 2006
Ipomoea purpurea	L	S	Whitea	W	R2R3-MYB (tf)	Codingd	Chang et al., 2005
Ipomoea purpurea	L	S	Whitea	A	CHSe	Codingd	Habu et al., 1998
Parrya nudicaulis	L	S	Whiteb	?	CHSe	cisf	Dick et al., 2011
Mimulus lewisii	L	S	Whitea	MlDfr	DFRe	Codingf	Wu et al., in review
Mimulus aurantiacus	G	F	Reda	MaMyb2	R2R3-MYB (tf)	cisd	Streisfeld et al., 2013
Mimulus cupreus	G	F	Orangea	PLA1	R2R3-MYB (tf)	?	Cooley et al., 2011
Mimulus variegatus	G	F	Purplea	PLA2	R2R3-MYB (tf)	?	Cooley et al., 2011
Mimulus cardinalis	G	F	Dark redb	ROI1	R3-MYB (tf)	cisd	Yuan et al., 2013
Phlox drummondii	G	F	Dark redb	MYB	R2R3-MYB (tf)	cisd	Hopkins and Rausher, 2011

^aQualitative change in pigment intensity.

^bQuantitative change in pigment intensity.

^cPhylogenetic analyses equivocal with respect to directionality and number of independent transitions.

^dValidated via transgenic and/or allele specific expression.

^eGene encodes an ABP enzyme.

^fInferred from sequence and/or expression analyses.

? Data either not reported or unknown.

(tf) Gene encodes a transcription factor.