Gardening & Botany Glossary
Learn gardening and botany terms! They will help you understand plant care, pests, diseases, propagation, and many more interesting plant-related aspects.
25 Terms
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t
6 termsTrue leaves
True leaves are the first leaves a seedling produces after the seed leaves, called cotyledons. They are a plant…
Trunk
Trunk refers to the main woody stem of a tree, palm, or other tree-like plant. It forms the central upright axis…
Tube
In botany, a tube is a cylindrical or hollow part formed when tissues are naturally elongated or fused into a narrow…
Tuber
Tuber refers to a thickened underground storage organ, usually formed from a stem or sometimes a root, that stores…
Tubercle
Tubercle refers to a small, rounded, wart-like projection on a plant part, especially on stems, leaves, seeds, or some…
Twine
Twine describes the climbing habit of certain stems or tendrils that coil around a support as they grow. It is a plant…
u
2 termsv
10 termsVacuole
Vacuole refers to a membrane-bound compartment inside a plant cell, best known as the large central vacuole found in…
Vascular tissue
Vascular tissue is the plant transport system, made of xylem and phloem. Xylem carries water and dissolved minerals…
Vegetative reproduction
Vegetative reproduction refers to a form of asexual plant reproduction in which new plants grow from roots, stems…
Vein
Vein refers to one of the vascular strands in a leaf or other plant organ. It contains xylem and phloem, the tissues…
Velamen
Velamen is the spongy, multilayered outer covering on the aerial roots of many epiphytic orchids and some aroids. Made…
Venation
Venation refers to the pattern and arrangement of veins in a leaf blade, or sometimes in other flat plant organs. It is…
Vermiculite
Vermiculite is a lightweight mineral material used in potting mixes and seed-starting media. It is made by heating a…
Vernalization
Vernalization is a plant physiological process in which exposure to a period of low temperatures triggers or speeds the…
Vine
Vine refers to a plant with long, flexible stems that trail along the ground or climb other plants, trellises, or…
Virus
Virus, in plant biology, refers to an infectious agent made of genetic material enclosed in a protein coat that can…
w
4 termsWatering
Watering is the horticultural practice of applying water to soil or growing media around plants, or less often directly…
Whitefly
Whitefly refers to several tiny sap-feeding insect pests related to aphids and scale insects. Adults are moth-like…
Wicking
Wicking describes the movement of water through a porous material by capillary action, the same force that pulls…
Woody plant
Woody plant refers to a plant that produces persistent woody stems or trunks through secondary growth, the thickening…
x
2 termsz
1 terms
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