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WFHS-Plant Structure
Plant Structure
Term | Definition |
---|---|
xylem | vessels of the vascular bundle that carry the water and nutrients from the roots to the leaves. |
stem | supports the leaves and conducts the flow of water and nutrients. |
woody | hard, stiff, dark-colored growth of plants; plants that are winter hardy. |
herbaceous | a plant whose stem is more or less soft and succulent, not winter hardy. |
phototropism | a process by which a plant leaf is capable of adjusting its angle of exposure to the sun. |
petiole | the slender leaf stock that supports the blade, attaching it to the stem of the plant. |
chloroplasts | membrane-bound bodies inside a cell containing chlorophyll pigment; necessary for photosynthesis. |
guard cells | cells that surround the stoma. |
stoma | small openings, usually on the lower side of the leaf, that control the movement of gases. |
stamen | male part of the flower that contains the pollen. |
filament | structure that supports the anther. |
anther | portion of the male part that contains and manufactures the pollen. |
pollen | small male sperm or grains that are necessary for the fertilization in the flower. |
pistil | female part of the flower consisting of the stigma, style, ovary, and ovules. |
stigma | part of the pistil that receives the pollen. |
style | enlarged terminal part of the pistil. |
ovary | female organ that produces eggs and contains the ovules (seeds). |
ovule | unfertilized seed. |
fruit | mature ovary; seed |
vegetable | any herbaceous plant whose fruit, seeds, roots, tubers, stems, leaves, or flower parts are used for food. |