Term
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Definition
scar formed on a twig where a leaf abcisses (falls off) |
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Term
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Definition
scars within the leaf scar that are left by the xylem and phloem |
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Term
describe the four types of buds: |
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Definition
lateral/axillary buds: the bud in the leaf axis that has a leaf scar under it
terminal buds: the bud at the end of the twig that lacks an associated leaf scar
pseudoterminal bud: a lateral bud that takes the place of an aborted terminal bud
accessory bud: extra bud associated with the lateral or terminal buds |
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Term
define this type of bud:
[image] |
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Definition
imbricate bud-the scales overlap like shingles |
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Term
define this type of bud:
[image] |
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Definition
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Term
define this type of bud (in terms of the bud scales):
[image]
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Definition
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Term
what is this type of bud (in terms of the bud scales)?
[image] |
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Definition
a naked bud-no bud scales |
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Term
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Definition
a mass of cells in the center of a twig that is usually white, but can be brown, green, yellow, or pink, and can be circular, triangular, or round in shape |
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Term
define the composition of this pith:
[image] |
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Definition
continuous and homogenous |
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Term
define the consistency of this pith:
[image] |
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Definition
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Term
define the consistency of this pith:
[image] |
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Definition
chambered pith-black walnut |
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Term
define the white bumps on this twig:
[image] |
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Definition
lenticels-they allow gases to flow in and out of the plant |
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Term
name and define the feature on this twig:
[image] |
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Definition
prickles-an outgrowth of the epidermis that are easily dislodged (wild rose) |
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Term
name and describe the protective features on this twig:
[image] |
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Definition
spines-modified leaves or stipules that follow the arrangement of the leaves (Japanese barberry is an example) |
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Term
name and describe the protective features on this twig:
[image] |
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Definition
thorns-specialized shoots that have vascular bundles (hawthorn is an example) |
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Term
name some of the features of bark that are used to identify different tree species: |
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Definition
-thickness
-color
-texture
-fissure size
-ridge size
-patterns |
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