Class 11 NEET Biology Morphology Of Flowering Plants Questions Part 1

(d) : Casuarinaceae is the family of dicotyledonous flowering plants placed in the order Fagales. Casuarina is a member of the family, characterized by drooping equisteoid twigs, are evergreen, and monoecious or dioecious. The roots have nitrogen fixing nodules that contain the soil actinomycetes called Frankia which is filamentous bacteria.