1	Inflorescence and leaves up to 15 mm in length	C.azarolusvar.minuta comb. nov.
–	Inflorescence and leaves longer than 15 mm	2
2	Leaves one or rarely two shallowly lobed at apex; ovate or elliptic	C.azarolusvar.dentata comb. nov.
–	Leaves 2–4 lobed, lobes more than half of the lamina	3
3	Leaf lobes 1–2 times wide, sinuses 1/2 to 1/3 of lamina	C. azarolus var. aronia
–	Leaf lobes 3–4 times wide, leaves deeply pinnatisect	C.azarolusvar.senobaaensis, var. nov.