GLOSSARY


Canopy

Catkin

Chlorosis

Columnar

Compound Leaves

Cultivar


Deciduous

Defoliation

Evergreen

Germinate

Hybrid

Panicles

Pendulous

Perennial


Propagation

Seedling Variation


Species


Suckers

Terminal bud

Understory

Watersprouts


Weeping

The upper most branches and foliage of a single tree, or a group of trees

A compact and often drooping cluster of reduced, stalkless and unusual flowers

Blanching of vegetation due to the absence of normal green chlorophyll

An upright form of a tree or plant

A leaf divided into smaller leaflets

A “cultivated variety”; or new plants, arising either naturally or as a result of hybridization, but selected and maintained by persons

The term that applies to plants that drop their leaves each season

To cause the leaves of a plant to drop

Plants that keep their foliage throughout the seasons

Initiating growth or sprouting

A plant resulting from a cross between two or more parents

A loose, irregularly compound inflorescence with pedicellate flowers

More or less hanging or declined

A plant that lives without end as long as the environment is favorable, and dies back to the ground in the winter and then comes back in the spring

Production of living plants from seed or by vegetative means

New plants that have germinated from seed may have different characteristics than the parent plant, such as a slightly different leaf shape, color, flowers, branches, fall color or form

A population of plants that have the potential to freely breed with one another and that is discontinuous in variation from other plants

Vigorous, upright shoots that grow from below the ground or roots, primary from latent buds

A bud formed at the tip of a stem, twig or branchlet

The shrubs and smaller trees between the forest canopy and the groundcover

Vigorous, upright shoots that grow above the ground, primary from latent buds on the trunk or older branches

Having drooping branches