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12 terms

Stems

Stems
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node
point on a stem where a leaf is attached
internode
region between nodes on plant stems
bud
plant structure containing undeveloped tissue that can produce new stems and leaves
vascular bundle
plant stem structure that contains xylem and phloem tissue
pith
parenchyma cells inside the ring of vascular tissue in dicot stems
primary growth
type of plant growth that occurs at the tips of roots and shoots
secondary growth
pattern of plant growth in which stems increase in width
vascular cambium
lateral meristematic tissue that produces vascular tissues and increases the thickness of the stem over time
cork cambium
lateral meristematic tissue that produces the outer covering of stems
heartwood
older xylem near the center of a woody stem that no longer conducts water
sapwood
area in plants that surrounds heartwood and is active in fluid transport
bark
tree structure that includes all tissues outside the vascular cambium, including phloem, the cork cambium, and cork