1	"Petals notched to laciniate; receptacle gland concave or tubular, orange or red"	"Polanisia {Polanisia dodecandra subsp. trachysperma}"
1	"Petals entire; receptacle gland truncate to pointed or absent, green or yellow"	2
2	"Stipules spinescent"	Tarenaya
2	"Stipules absent or not spinescent"	Cleome