1. Morphology of Range Plants
Range Plants -- OBJ 1: PPT
Morphology of Range Plants
There are 14 slides in this presentation

2. Range Plants -- OBJ 1: PPT
Objectives
Define plant morphology
Describe characteristics of the leaves, stems, roots, and flowers of range plants
Describe the anatomy of grasses
There are 14 slides in this presentation

3. Range Plants -- OBJ 1: PPT
Plant Morphology
Describes the physical form and external structures of a plant
There are 14 slides in this presentation

4. Stems
Stems—the axes of plants—consist of nodes (where leaves and axillary buds are produced) separated by internodes.

5. Range Plants -- OBJ 1: PPT
Stems
Grasses
Grass-likes
Forbs
Shrubs
(Sedges)
(Rushes)
Hollow or Pithy
Solid Not Jointed
Solid
Woody Solid
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6. Sharp things Thorn - sharp-pointed stem/shoot (fr. axillary bud)
Spine - sharp-pointed leaf or leaf part leaf spine (also leaflet spine) stipular spine petiolar spine
Prickle - sharp pointed epidermal appendage

7. Stem (Shoot) Types & Modifications

10. Onion Bulb

11. Compare ……???

12. Range Plants -- OBJ 1: PPT
Leaves
Important characteristics
Type
Arrangement
Shape
Margin
Veination
Apex
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13. External Parts of the Leaf

14. The major parts of the leaf are shown in Figure 4. 3
The major parts of the leaf are shown in Figure In monocots the leaf is almost always broadly sheathing at the base. In taxa such as grasses and gingers there is an adaxial flap or ligule at the junction of the sheath and blade. A leaf that lacks a petiole is said to be sessile.

15. Range Plants -- OBJ 1: PPT
Leaf Types
Simple
Compound
Compound - Palmate
Compound - Pinnate
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16. Leaf Arrangements (Compound)

18. Leaf Forms

19. Leaf characteristics

20. Range Plants -- OBJ 1: PPT
Leaf Shapes
Linear
Elliptic
Lanceolate
Oblanceolate
Ovate
Obovate
Palmate
Wedge-shaped
Arrow-shaped
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21. Finally, the leaf may have many parallel veins, a pattern termed parallel venation.

22. Leaf Bases

24. Leaf Margins

25. Leaf margins

26. Leaf Margin - The leaf blade may have lobed or unlobed margins
Leaf Margin - The leaf blade may have lobed or unlobed margins. These and other types of margins are: unlobed, lobed, entire, dentate, serrate, and crenate.

27. Range Plants -- OBJ 1: PPT
Leaf Margins
Lobed-pinnate
Lobed-palmate
Serrated
Entire
Scalloped
Toothed
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28. Leaf Tips

29. Leaf Apex and Base - Various terms relating to the shape of the leaf apex or leaf base include: acute, obtuse, acuminate, emarginate, truncate, and rounded (apex); acute, obtuse, rounded, decurrent, truncate, cordate, lobate, and sagittate (bases).

30. Range Plants -- OBJ 1: PPT
Leaf Veinations
Parallel
Pinnate
Palmate
Netted
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31. Leaf Arrangements (Simple)

32. Range Plants -- OBJ 1: PPT
Leaf Arrangements
Alternate
Opposite
Whorled
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34. Range Plants -- OBJ 1: PPT
Roots
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35. Range Plants -- OBJ 1: PPT
Flowers
Inflorescence types
Spike
Raceme
Panicle
Umbel
Head
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36. Inflorescence types
Umbel

37. Range Plants -- OBJ 1: PPT
Flowers
Composite Heads
Ray Flowers
Disk Flowers
Ray and Disk Flowers
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38. Warm-up 03/15 Label the following 5 flower parts. 1. _________
5. _______
2. _______
4. _______
3. _______

40. Parts of the Flower Sepals Outer covering of the flower bud.
Protects the stamens and pistils when flower is in bud stage.
Collectively known as the calyx.

41. Parts of the Flower Petals Brightly colored Protects stamen & pistils.
Attracts pollinating insects.
Collectively called the corolla.

42. Parts of the Flower (Stamen)
Male reproductive part
Anther
Produces pollen
Filament
Supports the anther

43. Parts of the Flower (Pistil)
Female reproductive part
Ovary
Enlarged portion at base of pistil
Produces ovules which develop into seeds
Stigma
Holds the pollen grains

44. Parts of the Flower (Pistil)
Style
Connects the stigma with the ovary
Supports the stigma so that it can be pollinated

45. Parts of the Flower

46. Schematic of a Complete, Perfect Flower

47. Imperfect Flower Male or female reproductive organs not, but not both.
Example:
A male flower has sepals, petals, and stamen, but no pistils.
A female flower has sepals, petals, and pistils, but no stamen.

48. Perfect Flowers
Contains both male and female reproductive structures.

49. Incomplete Flowers Missing one of the four major parts of the flower.
Stamen
Pistil
Sepal
Petal

50. Complete Flowers
Contains male and female reproductive organs along with petals and sepals.

51. Flowers Imperfect flowers are always incomplete but……..
Perfect flowers are not always complete and……..
Complete flowers are always perfect.

52. Importance of Flowers Important in florist & nursery businesses.
Many plants are grown solely for their flowers.
Plants have flowers to attract insects for pollination, but people grow them for beauty & economic value.

53. Important Flower Crops

54. Flower Dissection Working in table group.
One dicot and one monocot flower per table
Follow directions in your packet.

55. All Structures:

56. Petals

57. Leaf

58. Stamen Male reproductive structure Composed of an anther and filament
The anther produces pollen grains

59. Stamen

60. Pistil Female reproductive structure
Composed of stigma, style, and ovary
Eggs develop in the ovary

61. Pistil

62. Ovary longitudinal section

63. Exposed Ovules

64. Fleshy fruit types

65. Warm-up 03/16
Monocot or Dicot?
Monocot 1
Dicot 3
Monocot 2

67. Range Plants -- OBJ 1: PPT
Anatomy of Grasses
Spikelet
Inflorescence
Culm (stem)
Node (joint)
Internode
Leaf
Stolon
Rhizome
There are 14 slides in this presentation