Vascular plant
A plant that has specialized tissues that conduct materials from one part of the plant to another.
Gymnosperm
A woody, vascular seed plant whose seeds are not enclosed by an ovary fruit.
Angiosperm
A flowering plant that produces seeds within a fruit.
Rhizoid
A rootlike structure in nonvascular plants that holds the plants in place and helps plants get water and nutrients
Rhizome
A horizontal, underground stem that produces new leaves, shoots, and roots
Pollen
The tiny granules that contain the male gametophyte of seed plants
Pollination
The transfer of pollen from the male reproductive structures to the female structures of seed plants
Xylem
The type of tissue in a vascular plants that provides support and conducts water and nutrients from the roots
Phloem
The tissue that conducts food in vascular plants
Sepal
In a flower, one of the outermost rings of modified leaves that protect the flower bud
Petal
One of the ring or rings of the usually brightly colored, leaf-shaped parts of a flower
Stamen
The male reproductive structure of a flower that produces pollen and consists of an anther at the tip of a filament
Pistil
The female reproductive part of a flower that produces seeds and consists of an ovary, style, and stigma
Ovary
In flowering plants, the lower part of a pistil that produces eggs in ovules
Nonvascular plant
The three groups of plants (liverworts, horn-worts, and mosses) that lack specialized and conducting tissues and true roots, stems, and leaves.