Term
| define excurrent habit (growth form): |
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Definition
| secondary branches growing off of a main axis; cone-shaped; pines and conifers |
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Term
| define decurrent habit (growth form) |
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Definition
| deliquescent-does not have a main axis; multiple branches with an open round shape; dicusely spreading; angiosperms |
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Term
| define palm-like habit (growth form) |
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Definition
| main trunk with rosette of leaves on top; palms |
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Definition
| perennial plants with woody growth (bark); live longer than one year; trees, shrubs, and lianas |
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Definition
| woody plants with a main trunk that is typically not branched at the base; taller than 5 meters (17 feet) |
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Definition
| woody plant with much branching at the base of trunk; less than 5 meters (17 feet) tall |
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Definition
| woody plant (usually woody); needs vertical support, such as other trees or buildings |
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Definition
| plants that keep their leaves throughout the year (evergreens) |
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Definition
| plants that drop their leaves every year and regrow them in the spring (broadleaf and angiosperms) |
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Term
| name and define the parts of a tree (3 parts) |
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Definition
1. stem-1st year's growth
2. twig-1st year's growth with woody protection
3. branch-twig that is over a year old
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Term
| deine sessile leaf attachment [image] |
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Definition
| the leaf is directly attached to the stem-no petiole |
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Term
| define petiolate leaf attachmen[image]t |
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Definition
| a petiole (stalk) attaches the leaf to the stem |
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Term
| define alternate leaf arrangement |
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Definition
there is an equal amount of space between each internode
[image] |
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Term
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Definition
| the point where a leaf is attached to a stem-contains an axillary bud |
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Term
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Definition
| the area between each node |
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Term
| define opposite leaf arrangement |
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Definition
two leaves per node-leaves are opposite one another on the stem
[image] |
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Term
| define subopposite leaf arrangement |
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Definition
| the internodes between the leaves are not equal |
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Term
| define whorled leaf arrangement |
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Definition
multiple leaves radiating from a node
[image] |
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Term
| define spiral leaf arrangement |
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Definition
leaves ascend spirally up a stem
[image] |
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Term
| define the four attachment types of linear leaves and what trees they represent |
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Definition
1. sessile on a peg-spruces
2. petiolate on a peg-hemlocks
3. petiolate-Douglas-fir
4. sessile-true firs |
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Term
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Definition
| smooth and shiny leaf surface (without hairs) |
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Definition
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Definition
| thick and leathery leaf blade |
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Term
| describe parallel leaf venation |
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Definition
| leaf veins run parallel from the leaf base to the apex where they join |
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Term
| define palmate leaf venation |
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Definition
| 3 or more primary veins arise from the base of the blade and spread out like a fan with secondary veins branching off the primary veins |
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Term
| define pinnate leaf venation |
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Definition
| there is a main midrib vein with secondary veins branching off at regular intervals |
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Term
| define pinnipalmate leaf venation |
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Definition
| mix between pinnate and palmate venation |
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Term
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Definition
| earlike leafy appendages at the base of a leaf |
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Term
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Definition
| raised dots at base of leaf (cherries) |
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Term
identify this type of leaf complexity:
[image] |
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Definition
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