DENDROLOGY

Detailed explanation-1: -The vascular tissues of plants, which are composed of specialized conducting tissues, xylem and phloem, form continuous systems through the plant body and provide transport pathways for water, nutrients, and signaling molecules and support a plant body against mechanical stresses.

Detailed explanation-2: -Vascular plants get their nutrition through the transport of sugars by specialized vessels called phloem. All vascular plants have two types of vessels which make up vascular tissue for the purpose of transport: xylem and phloem.