1	"Sepals about equal in size"	2
1	"Sepals unequal: inner 2 sepals large and petaloid"	3
2	"Leaves rigid and spine-tipped"	"Muraltia {Muraltia heisteria}"
2	"Leaves soft, herbaceous"	"Salomonia {Salomonia ciliata}"
3	"Front petal with crest"	Polygala
3	"Front petal without crest"	Comesperma