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Trees Among Us

Trees Among Us. Mrs. Engbrecht 7 th Grade Red Team. Deciduous Looses leaves in the fall. Coniferous Keeps leaves all year. 2 Types of Trees. Parts of Conifer Leaf. Leaf Green needle part Sheath Papery covering Holds needles together Twig Small part of the branch. Forms of the leaf.

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Trees Among Us

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  1. Trees Among Us Mrs. Engbrecht 7th Grade Red Team

  2. Deciduous Looses leaves in the fall Coniferous Keeps leaves all year 2 Types of Trees

  3. Parts of Conifer Leaf • Leaf • Green needle part • Sheath • Papery covering • Holds needles together • Twig • Small part of the branch

  4. Forms of the leaf • Needle like leaves • Scale like • Awl like

  5. Gymnosperm No seed cover Angiosperm Has seed cover 2 Types of Deciduous Trees

  6. Deciduous Leaf Parts • Veins • Midrib vein • Down the middle • Petiole • Stem

  7. Deciduous Leaf Parts • Blade • Main green part • Contains chloroplasts • Node • Where leaf attaches • Twig

  8. BASS V LEGS • Bark description (color, texture, on twigs) • Arrangement – Alternate(A or B)/opposite/whorled • Simple/compound/double compound leaves • Shape of tree (without leaves) • Veins (pinnate/palmate/parallel) • Lobed/unlobed blades • Edge (serrated/smooth – coarse/finely toothed) • General leaf size (measure width and length) • Seeds (describe and rub/draw)

  9. Leaf Arrangement

  10. Alternate • One leaf at each node Around or Beside

  11. Opposite • Two leaves at each node

  12. Whorled • More than two leaves which come out of each node

  13. Simple One petiole and one blade Types of Leaves

  14. Types of Leaves • Pinnately compound • Double pinnately compound • Palmately compound

  15. Veins • Pinnate • Parallel • Palmate

  16. Lobed/Unlobed Lobed Unlobed

  17. Smooth Toothed / serrated Leaf Edges

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