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35 Cards in this Set
- Front
- Back
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this kind of meristem exists at the base of each internode in monocot stems and allows monocot stems to continue to elongate in the region of primary maturation
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intercalary meristems
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This kind of bud is located at the stem tip
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terminal buds
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these structures can be found on the axil of each node. they are undeveloped branches of stems containing leaves and flowers.
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buds
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This kind of buds contain a stem, leaves, and flowers.
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mixed buds
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he ground meristem in dicot stems develops into these three tissues.
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Cortex, pith, and pith rays.
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The modified leaves that surround and enclose buds are called __________.
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bud scales
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Regions of stem between nodes is called ________________.
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internodes
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The procambium in dicot stems matures into these three tissues.
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Primary xylem, primary phloem, and vascular cambium.
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The continuous ring of xylem and phloem fibers surrounding the vascular bundle in monocots is called the ________________.
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bundle sheath
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The procambium in monocot stems matures into these two tissues.
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Primary xylem and primary phloem
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__________ is the space in the vascular bundles in monocots that formed when vessels broke from being stretched at end of cell elongation.
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Lacuna
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This kind of scars are found within a leaf scar and they show where vascular bundles broke.
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bundle scars
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These are raised dots on stem surface that allow gases to move in and out of the stem.
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lenticels
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This kind of bud is located at a node just above the leaf axil.
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axillary buds
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The ground meristem in monocot stems develops into this tissue.
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Ground parenchyma
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This kind of buds usually originated from organs other than the stems.
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adventitious buds
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Regions of stem where leaves are or were attached to are called ________.
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nodes
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The concentric rings seen in the cross section of a woody stem are ________.
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annual rings
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In a cross section of a woody stem, __________ is the outer layers of wood that transport water and minerals and are lighter in color.
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sapwood
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Annual rings form due to the alternate pattern of which two types of woods?
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Springwood and summerwood
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____________ is the last tissue to mature in the region of maturation.
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vascular cambium
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Which tissue provides lateral transport of water, minerals, and food in wood stems?
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Rays
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In woody dicot stems, where do the periderm originate from?
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cork cambium
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Woods are classified as ___________ or ___________ due to the difference in the amount of thick wall vessels and fibers in the xylem.
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hardwood or softwood
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In a cross section of a woody stem, what are the thin lines that run perpendicular to the annual rings?
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rays
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__________ is the dark-colored nonconducting wood in the center of a stem.
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Heartwood
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In dicot stems, where do secondary phloem and xylem originate from?
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vascular cambium
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Periderm is also known as the _______________.
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bark
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True or False. In dicot stems, vascular bundles are randomly dispersed.
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False
In dicot stems, the vascular bundles are arranged in a ring pattern. |
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The layer of fiber cells surrounding the vascular bundles in monocots is called the
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Bundle sheath
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In dicot stems, which of the following tissues originated from the ground meristem?
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cortex, pith and pith ray
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True or False. A mature woody plant is INITIALLY composed of primary tissues only.
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true
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The stems, roots, branches, and trunks thicken mainly due to the addition of layers of
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secondary xylem
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Which of the following function primarily in the lateral conduction of food in a stem?
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rays
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When you peel bark from a tree, the _________________ is the tissue that is usually tearing (the weakest point).
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vascular cambium
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