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23 Cards in this Set
- Front
- Back
Taxonomy |
The classification of plants is called _______. |
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Kingdom Phylum Class Order Family Genus Specific Epithet |
Levels of plant classification:
K P C O F G S |
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Angiosperms, Gymnosperms |
_______ are vascular plants whose seeds are covered (by an ovary). _______ are vascular plants with "naked seeds."
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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.
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Nomenclature |
The naming of plants is called _______.
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Form/Growth Habit Bark Texture Leaves Flowers Fruit Seed Buds Leaf Scars Scent |
Name five plant characteristics used to identify trees.
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Opposite Leaf Arrangement |
Leaves or branches situated two at each node, across from each other on the stem.
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Alternate Leaf Arrangement |
One leaf or bud at each node, situated at alternating leaves are not directly across from each other. |
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Whorled Leaf Arrangement |
Leaves, twigs or branches arranged in a circle around a point on the stem.
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Tree with Palmately Compound Leaves |
Buckeye, Horsechestnut |
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Tree with Pinnately Compound Leaves |
Ash, Walnut, Kentucky Coffeetree, Ailantus, Honeylocust |
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Simple Leaf with Lobed Leaf Margin |
Single-bladed leaf, not composed of leaflets whose leaf segments project outward, creating voids (sinuses) between the segments. |
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Compound Leaf with Serrate Margins on Leaflets |
Leaf with two or more leaflets with sawtooth margin of leaf with the teeth pointed forward.
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One |
A compound leaf with multiple leaflets will have _______ bud(s).
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Carpinus caroliniana one example |
Give an example of a tree species that has more than one common name.
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Genus, Specific Epithet |
In the scientific name Acer saccharum, Acer identifies the _______ & saccharum identifies the _______ _______.
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Varieties, Cultivars |
Species are often subdivided into _______ or ________ that have distinct differences from the general species. |
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Vultivar |
A _______ is a cultivated variety.
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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 |
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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 |
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B |
Select the scientific name that is written correctly:
a.) Quercus Rubra b.) Quercus rubra c.) quercus Rubra d.) quercus rubra |
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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) |
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C |
Which conifers have needles in bundles?
a.) hemlocks b.) firs c.) pines d.) spruces |