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Plantclassificationnotes

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Plantclassificationnotes

  1. 1. Plant Classification ©2007-2008 Norm Ivey
  2. 2. Plant Study Guide Part I <ul><li>Identify the characteristics of vascular and non-vascular plants (tissue structure). </li></ul><ul><li>Explain what phloem and xylem are. </li></ul><ul><li>Identify the characteristics of spore-producing and seed-producing plants (reproductive structure). </li></ul><ul><li>Identify the characteristics of cone-bearing and flowering plants (reproductive structure). </li></ul><ul><li>Identify the characteristics of monocot and dicot plants (reproductive structure). </li></ul>
  3. 3. Vascular Tissues <ul><li>Xylem and phloem are tubes within some plants. </li></ul><ul><li>Xylem carry water from the roots of the plant up to the stems and leaves. </li></ul><ul><li>Phloem carry food from the leaves down to the stem and roots. </li></ul>
  4. 4. <ul><li>Have tissues called phloem and xylem (vascular tissues) within them. </li></ul><ul><li>Can grow in places where water is relatively scarce. </li></ul><ul><li>Can grow very tall. </li></ul><ul><li>Are divided into 2 groups: woody and herbaceous. </li></ul><ul><li>Examples: all plants except except moss, liverworts and hornworts. </li></ul><ul><li>Do not have phloem and xylem. </li></ul><ul><li>Must grow close to a source of water. </li></ul><ul><li>Are usually very short. </li></ul><ul><li>Examples: moss, liverworts and hornworts. </li></ul>Vascular Plants Nonvascular Plants
  5. 5. <ul><li>Have phloem and xylem which grow in rings. </li></ul><ul><li>Have a hard outside covering (bark). </li></ul><ul><li>Examples: trees and roses </li></ul><ul><li>Have phloem and xylem which grow in bundles. </li></ul><ul><li>Have soft, flexible stems. </li></ul><ul><li>Examples: garden vegetables and flowers </li></ul>Woody Plants Herbaceous Plants
  6. 6. <ul><li>Reproduce asexually. </li></ul><ul><li>Examples: ferns, club mosses </li></ul><ul><li>Have true leaves, stems and roots. </li></ul><ul><li>Require male and female plants or male and female plant parts. </li></ul>Spore Producing Seed Plants
  7. 7. <ul><li>Produce seeds in cones (like pine cones) </li></ul><ul><li>Classified as gymnosperms </li></ul><ul><li>Examples are spruces, pines, and redwoods </li></ul><ul><li>Produce flowers, fruits and seeds. </li></ul><ul><li>Also called angiosperms </li></ul><ul><li>Some flowers and fruits are called insignificant because they are small and often unoticed. </li></ul>Cone-bearing Flowering Plants
  8. 8. <ul><li>Have one cotyledon (food storage structure) </li></ul><ul><li>Leaves are long and slender </li></ul><ul><li>Veins are parallel </li></ul><ul><li>Flowers have petals in multiples of three </li></ul><ul><li>Have 2 cotyledons </li></ul><ul><li>Leaves are usually wide </li></ul><ul><li>Veins form branching patterns </li></ul><ul><li>Flowers have multiples of 4 or 5 </li></ul>Monocot Seeds Dicot Seeds

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