Glossary of V...

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varicose: Swollen, enlarged, abnormally dilated.
variety: A subdivision of a species, usually separated geographically from the typical, having one or more heritable, morphological characteristics which differ from the typical even when grown under the same environmental conditions; a morphological variant.
vascular plant: Plants that contain specialize components that transport water and food materials from their source to the site they are used.
vascular tissue: Plant tissue that forms ducts through which sap is conveyed.
vesicle: A cyst or small bladder or cavity filled with air.
virus: Consists of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) inside a protein coat. Submicroscopic pathogenic agent.
viscid: Sticky or greasy, such as the surface of a leaf or stem.

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