Horticulture Definitions

Acorn:

The fruit of Quercus (Oak)

Adventitious:

Occurring in other than the usual location, ie: roots on stems, buds on leaves

Botanical Language:

Means a plant requires two latinized names

Columnar:

Sends branches almost straight up, tapering slightly at the top. (ie: Skyrocket Juniper)

Corm:

Solid, swollen part of the stem, subterranean (Crocus, Gladiolus)

Creeping:

Spreads out horizontally.

Cultivars:

man made and discovered
– cultivated vegetatively
-asexual propagation

Deciduous:

Non evergreen woody plants. Leaves drop each fall. Influenced by temperature and light.

Dioecious:

Male and female flowers on separate plants

Drupe:

A stone fruit. ie: peach, walnut. Seed is enclosed in fleshy outer layers

Genus:

Refers to the group to which the plant belongs.

Growth Rate

Refers to vertical growth

* slow = 12″ or less/annum
* medium 13″ -24″ per annum
* fast 25″+ per annum

Hardiness:

Ability of plants to survive extremes in climate

Hybrid:

Union of two species of the same genus

Rounded:

Forms curved outline without being pruned

Species:

Particular member of group or genus. Usually descriptive.

Variety:

A natural occurring population of plants of one species, different enough from that species to require a different name. Reproduces naturally from seed.

Vase-Like:

Shrubby, grows outward & upward, widens near top.