Which is total root parasite?

✅Explanation:
-Total root parasites are plants that completely depend on their host plant for water, nutrients, and even organic carbon. They lack chlorophyll and cannot photosynthesize.
-All of the listed options – Orobanchae, Conophalis, and Epitagus – are examples of total root parasites. They attach to the roots of their host plants using specialized structures called haustoria, which penetrate the host's tissues to extract nutrients.