The special tissue present in the epiphytic roots for absorption of...

Epiphytic roots, such as those found in orchids, possess a specialized spongy epidermal tissue called velamen.

Velamen is hygroscopic in nature and helps the plant absorb moisture directly from the atmosphere.

Hydathodes are pores involved in guttation, lenticels are pores in the stem for gaseous exchange, and phloem is a vascular tissue responsible for the transport of food.

Answer: velamen