Most plant cells have a single vacuole that takes up much of the cell.
It helps maintain the shape of the cell. A vascular plant has specialized pipelines that carry water and nutrients around the plant. Club mosses , ferns , horestails , gymnosperms , and flowering plants are vascular plants. Xylem and phloem are types of vascular tissue. A vegetable is a plant whose stem, leaves, tubers, roots, bulbs, or flower is a food source for people.