AC-Ch. 2 Tree Biology Flashcards
(36 cards)
Alternate
Pertaining to Bud or leaf arrangement, one leaf or bud at each node situated at alternating positions along the stem. In this arrangement, the leaves are not directly across from each other.
Class
Taxonomic group below the division level but above the order level.
Compound leaf
Leaf with two or more leaflets.
Conifer
Cone-bearing tree or other plant that has its seeds in a structure called a cone.
Cultivar
Cultivated variety of a plant. Cannot be reproduced without human assistance. Usually propagated asexually.
Dicotyledon
Plant with two cotyledons in its embryo; netted or palmate leaf veins; and flowers with three, four, or five petals, or petals in multiples of these numbers.
Division
Taxonomic group below the kingdom level but above the class level.
Entire
Term describing a leaf margin without teeth.
Family
Taxonomic group under the order level and above the genus level
Foliage
Leaves of a plant
Forma
Group of plants within a species having distinct variations that occur sporadically and naturally
Genus
Taxonomic group, composed of species having similar fundamental traits. Botanical classification under the family level and above the specific epithet level.
Hybrid
Plant resulting from a cross between two or more other plants that are more or less alike.
Identification key
Diagnostic aid to help identify plants and other organisms.
Kingdom
Primary taxonomic group, separating plants from animals
Leaf apex
Tip of the leaf blade
Leaf axil
Point of attachment of a leaf petiole to a stem
Leaf base
Bottom part of the leaf blade
Leaf margin
Outer edge of the leaf blade
Monocotyledon
Plant with an embryo that has one seed leaf.
Morphology
Study of the form and structure of plants and other living organisms.
Nomenclature
Scientific naming system for living organisms.
Opposite
Pertaining to leaf or branch arrangement, leaves or branches situated two at each node, across from each other on the stem.
Order
Taxonomic group below the class level but above the family level.