Angiosperm Anatomy
description
Transcript of Angiosperm Anatomy
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Angiosperm Anatomy
Test Vocabulary
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1. Anther
• At end of stamen. Produces pollen.
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2. Calyx
• The set of sepals
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6. Corolla
• The set of petals
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8. Filament
• Thin part of stamen that supports the anther.
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11. Ovary
• At the base of a carpel. Where seeds develop. Becomes the fruit.
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15. Petal
• Non-sexual, often showy part of a flower used to attract pollinators.
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16. Pistil
• The set of carpels in a flower. Often used synonymously for “carpel”
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17. Pollen
• Released by anther. Produces sperm.
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20. Sepals
• Non-sexual flower bud scales. Sometimes showy.
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21. Stamen
• The male reproductive structure. Made up of anther and filament.
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23. Stigma
• The sticky receptive tip of a carpel.
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24. Style
• The “tube” between the stigma and ovary on a carpel
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28. Blade
• The flattened, photosynthetic, part of a leaf.
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29. Compound leaf
• A leaf divided into leaflets.
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36. Palmately compound leaf
• Leaflets radiate from a common point.
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39. Petiole
• Leaf stalk
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41. Pinnately compound leaf
• Leaflets branch off a mid vein, like the pinna of a feather
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44. Simple leaf
• A leaf with a single blade, not divided into leaflets.
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47. Vein
• Clump of vascular tissue in leaves
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Added: Tendril
• A thin, modified leaf, used for grasping a support
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Added: Stomata
• Leaf pores for gas exchange
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50. Bark
• Outer layer of stem outside the vascular cambium.
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53. Epidermis
• Single surface layer of cells on the outside of a young stem.
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54. Internode
• The section of stem between nodes
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55. Meristem
• The zone of dividing cells. In stems, it’s in the vascular cambium.
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56. Node
• Often swollen point on a stem where leaves and buds attach.
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57. Phloem
• Also called “inner bark.” A single layer of live cells outside the vascular cambium that transports plant products through plant
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61. Vascular cambium
• Single layer of meristem tissue, produces xylem inside and phloem outside.
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63. Xylem
• Stem tissue on the inside of the vascular cambium that conducts water up a plant. The major component of “wood.”
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64. Adventitious root
• Roots that arise from somewhere other than the normal root zone
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65. Diffuse roots
• Roots divided equally among several roots (no tap root). Can be FIBROUS or FLESHY.
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66. Root hair
• Tiny projections near the end of a root that aid in absorption.
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Rootcap
• A protective layer of tissue that protects the tender tip of a root and its meristem zone.
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68. Taproot
• A root system consisting of one main root, like a carrot.