Plant Classification

1
Plant Classification

• -a means of grouping plants according to their
  similarities

2
Plant Classifications

• Botanical
• Identifies plants according to their physical
  characteristics

3
Plant Classifications

• Descriptive
• System that identifies plants by their use and
  life cycle

4
Botanical System of Classification

• 7 Categories

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Botanical System of Classification

• 1. Kingdom
• 2. Division or Phylum
• 3. Class
• Subclass

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Botanical System of Classification

• 4. Order
• 5. Family
• 6. Genus
• 7. Species

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Botanical System of Classification

• Why do we need this?
• -clearly ids plants
• Universal

8
Crop Plants

• Monocots and Dicots

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Monocots

• 1 cotyledon in a seed
• Leaves with parallel veins
• Vascular bundles scattered throughout

10
Monocots

• Root System composed of many fibrous roots with
  many hairs
• Flower parts in 3s

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Dicots

• 2 cotyledons in each seed
• Leaves with network of veins
• Vascular bundles form ring outside of stem

12
Dicots

• Root system composed of primary tap root and many
  hairs
• Flowers in 4s or 5s

13
Legumes

• -a family of plants whose seeds are formed in
  fruit and the fruits are formed in pods
• Have ability to take N from the air

14
Life Cycles

• Annuals complete life cycle in one season

15
Life Cycles

• Summer Annuals
• Planted in spring, harvested in fall
• Winter Annuals
• Planted in fall, harvested in following summer

16
Life Cycles

• Biennials
• Complete life cycle occurs over two growing
  seasons

17
Life Cycles

• Perennials
• Live year after year