Plant Glossary of



Plant Glossary J K L


Juvenility: A state of growth associated with the young or immature stage in a plant's life cycle prior to it's ability to flower




Laminar Air Flow: The even flow of air in a specific, layered direction and without turbulence. See transfer chamber

Latent Bud: A bud that is not developing but has the capacity to if the conditions change

Lateral Bud: A bud on the side rather than the bottom or the top of a branch

Latex: Milky white sap or fluid that bleeds from some plants when stem is cut or wounded, may be irritant

Layering: A form of vegetative reproduction in which a shoot or twig comes in contact with the soil, forms roots, and grows out as a new plant. A method of propagation in which a stem is stimulated to develop roots. Types of layering include tip layering, in which the tip of the branch is used, simple layering, in which only one section of the branch is stimulated to root, serpentine layering, in which several sections of the branch are stimulated to root, and french or trench layering, in which many nodes along the branch are stimulated to root.

Leaching: In seed starting, the practice of running water over seeds long or frequently enough to wash off any chemicals that naturally inhibit germination

Leaf Cutting: A portion of a leaf that is used for propagation. Begonia is an example of a plant that will propagate by leaf cutting.

Line Cut: To insert cuttings or to transplant seedlings or new plants in rows in a nursery bed

Lenticel: One of many raised pores in the stem of a woody or semi∼woody plant that allow gas exchange between the atmosphere and plant tissues. Lenticels also have the ability to sprout roots at the site.

Loam: 1. A fertile soil of clay and sand containing humus. 2. A soil with roughly equal proportions of sand, silt, and clay.

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