Morphology of Range Plants

1
Morphology of Range Plants
2
Objectives

• Define plant morphology
• Describe characteristics of the leaves, stems,
  roots, and flowers of range plants
• Describe the anatomy of grasses

3
Plant Morphology

• Describes the physical form and external
  structures of a plant

4
Leaves

• Important characteristics
• Type
• Arrangement
• Shape
• Margin
• Veination

5
Leaf Types

• Simple
• Compound

Compound - Palmate
Compound - Pinnate
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Leaf Arrangements
Opposite
Whorled
Alternate
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Leaf Shapes
Linear
Elliptic
Lanceolate
Oblanceolate
Palmate
Wedge-shaped
Arrow-shaped
Obovate
Ovate
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Leaf Margins
Lobed-pinnate
Lobed-palmate

• Serrated

Toothed
Scalloped
Entire
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Leaf Veinations
Parallel
Pinnate
Palmate
Netted
10
Stems
Grasses
Grass-likes
Forbs
Shrubs
(Sedges)
(Rushes)
Hollow or Pithy
Solid Not Jointed
Solid
Woody Solid
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Roots
12
Flowers

• Inflorescence types

Spike
Raceme
Panicle
Umbel
Head
13
Flowers

• Composite Heads

Ray Flowers
Disk Flowers
Ray and Disk Flowers
14
Anatomy of Grasses
Spikelet
Inflorescence
Culm (stem)
Node (joint)
Internode
Leaf
Stolon
Rhizome