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23 Cards in this Set

  • Front
  • Back

Taxonomy

The classification of plants is called _______.

Kingdom

Phylum

Class

Order

Family

Genus

Specific Epithet

Levels of plant classification:

K


P


C


O


F


G


S


Angiosperms, Gymnosperms

_______ are vascular plants whose seeds are covered (by an ovary). _______ are vascular plants with "naked seeds."

Monocotyledons (Monocots)

The term "dicotyledon (dicot)" refers to plants that have two seed leaves at germination. Grasses, banana & palms belog to another group called _______ & have only one seed leaf.

Nomenclature

The naming of plants is called _______.

Form/Growth Habit

Bark Texture

Leaves

Flowers

Fruit

Seed

Buds

Leaf Scars

Scent

Name five plant characteristics used to identify trees.

Opposite Leaf Arrangement

Leaves or branches situated two at each node, across from each other on the stem.

Alternate Leaf Arrangement

One leaf or bud at each node, situated at alternating leaves are not directly across from each other.

Whorled Leaf Arrangement

Leaves, twigs or branches arranged in a circle around a point on the stem.

Tree with Palmately Compound Leaves

Buckeye, Horsechestnut

Tree with Pinnately Compound Leaves

Ash, Walnut, Kentucky Coffeetree, Ailantus, Honeylocust

Simple Leaf with Lobed Leaf Margin

Single-bladed leaf, not composed of leaflets whose leaf segments project outward, creating voids (sinuses) between the segments.

Compound Leaf with Serrate Margins on Leaflets

Leaf with two or more leaflets with sawtooth margin of leaf with the teeth pointed forward.

One

A compound leaf with multiple leaflets will have _______ bud(s).

Carpinus caroliniana one example

Give an example of a tree species that has more than one common name.

Genus, Specific Epithet

In the scientific name Acer saccharum, Acer identifies the _______ & saccharum identifies the _______ _______.

Varieties, Cultivars

Species are often subdivided into _______ or ________ that have distinct differences from the general species.

Vultivar

A _______ is a cultivated variety.

A

Douglasfir (Pseudotsuga menziesii) differs from Balsamfir (Abies balsamea) in that:

a.) they are not in the same genus


b.) they are not in the same family


c.) Douglasfir is actually a type of hemlock


d.) Balsamfir is not a conifer


A

When two leaves &/ buds are located at the same node on a twig, the arrangement is called:

a.) opposite


b.) alternate


c.) whorled


d.) compound


B

Select the scientific name that is written correctly:

a.) Quercus Rubra


b.) Quercus rubra


c.) quercus Rubra


d.) quercus rubra


C

Which genus of trees usually doe NOT have an opposite leaf arrangement?


a.) Acer (maples)


b.) Fraxinus (ash)


c.) Quercus (oaks)


d.) Cornus (dogwoods)

C

Which conifers have needles in bundles?

a.) hemlocks


b.) firs


c.) pines


d.) spruces