1	"Flowers in terminal and axillary racemes or cymes"	"Pigea monopetala"
1	"Flowers solitary"	2
2	"Flowers blue, purple or mauve; leaf margins revolute"	"Pigea enneasperma"
2	"Flowers orange or yellow; leaf margins recurved or ± flat"	3
3	"Leaf margins recurved; stipules ascending or appressed, 0.8–2 mm long"	"Pigea stellarioides"
3	"Leaf margins ± flat; stipules erect, 2–4 mm long"	"Pigea aurantiaca"