1	"Achenes surrounded by fleshy tissue (a drupe); plant a large woody shrub"	Chrysanthemoides
1	"Achenes dry; plant a herb or woody shrub"	2
2	"At least the inner achenes strongly curved into a C shape; plant an annual herb"	Calendula
2	"Achenes more or less straight or only slightly curved; plant a herb or shrub"	3
3	"Ray florets variously coloured, if yellow then dark-coloured on undersurface (many horticultural variants with Osteospermum)"	Dimorphotheca
3	"Ray florets yellow, not dark-coloured on undersurface"	Osteospermum