Among the following how many plants have irregular flowers?
Pea, bean, gulmohur, Canna, Cassia, mustard, chilli, Datura
Actinomorphic flowers as seen in mustard, chillies and Datura are described as regular flowers. Zygomorphic flowers as seen in pea, bean, gulmohur and Cassia and asymmetric flowers seen in Canna are described as irregular flowers.