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Leaves

Leaves. HortBotany. Leaf morphology. Arrangement (look for bud) Alternate 1 leaf for each node Betula spp. , Cercis spp. , Quercus spp., Gleditsia spp. Ulmus spp. Leaf morphology (arrangement). Leaf morphology. Arrangement (look for bud) Opposite 2 leaves for each node

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Leaves

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  1. Leaves HortBotany

  2. Leaf morphology • Arrangement (look for bud) • Alternate • 1 leaf for each node • Betula spp., Cercis spp., Quercus spp., Gleditsia spp. Ulmus spp.

  3. Leaf morphology (arrangement)

  4. Leaf morphology • Arrangement (look for bud) • Opposite • 2 leaves for each node • Acer spp., Cornus spp., Fraxinus spp., Viburnum spp.

  5. Leaf morphology (arrangement)

  6. Leaf morphology • Arrangement (look for bud) • Subopposite • 2 leaves for each node • Lagerstroemia indica

  7. Leaf morphology (arrangement)

  8. Leaf morphology • Arrangement (look for bud) • Whorled • 3 or more leaves for each node • Catalpa spp., Hydrangea spp., Nerium oleander

  9. Leaf morphology (arrangement)

  10. Leaf morphology • Leaf types • Angiosperm • Simple • Bud in leaf axil of single leaf • Acer spp., Betula spp., Cornus spp., Quercus spp., Ulmus spp.

  11. Leaf morphology (angiosperm leaf types)

  12. Leaf morphology • Leaf types • Angiosperm • Compound • Bud in leaf axil of more than one leaflet • Aesculus spp., Fraxinus spp., Gleditsia spp., Pistacia spp.

  13. Leaf morphology (Angiosperm leaf types)

  14. Leaf morphology (Angiosperm leaf types)

  15. Leaf morphology (Angiosperm leaf types)

  16. Leaf morphology (Angiosperm leaf types)

  17. Leaf morphology • Leaf types • Gymnosperm • Needle-like • Prickly to touch • Juniperus spp.(adult foliage)

  18. Leaf morphology (Gymnosperm leaf types)

  19. Leaf morphology • Leaf types • Gymnosperm • Scale-like • Overlaps like shingles or fish scales • Soft to touch • Cupressus spp., Thuja spp., Juniperus spp. (juvenile foliage)

  20. Leaf morphology (Gymnosperm leaf types)

  21. Leaf morphology • Leaf types • Gymnosperm • Needle-like • Pinus spp. • Combined in fascicles of 1, 2, 3, 4, or 5 needles

  22. Leaf morphology (Gymnosperm leaf types)

  23. Leaf morphology • Leaf types • Gymnosperm • Abies spp., Cedrus spp., Picea spp., Taxus spp. • Singly or in clusters on stem

  24. Leaf morphology(Gymnosperm leaf types) Spruce Foliage

  25. Leaf morphology • Leaf shapes • Angiosperm • Ovate

  26. Leaf morphology • Leaf shapes • Angiosperm • Obovate

  27. Leaf morphology • Leaf shapes • Angiosperm • Cordate

  28. Leaf morphology • Leaf shapes • Angiosperm • Lanceolate

  29. Leaf morphology • Leaf shapes • Angiosperm • Linear

  30. Leaf morphology • Leaf shapes • Angiosperm • Deltoid

  31. Leaf morphology • Leaf margins • Angiosperm • Entire

  32. Leaf morphology • Leaf margins • Angiosperm • Serrate

  33. Leaf morphology • Leaf margins • Angiosperm • Sinuate

  34. Leaf morphology • Leaf margins • Angiosperm • Lobed

  35. Leaf morphology • Leaf margins • Angiosperm • Crenate

  36. The End

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