Classification of Plants

• 1. life cycle
• 2. season of growth
• 3. stem type & form
• 4. agronomic use
• 5. edible part
• 6. scientific name

• 1. annual: one season (year)
• 2. biennial: two seasons (years)
• 3. perennial: repeat life indefinitely (regeneration)

• 1. cool - season: grow between 60-75 F
• 2. warm - season: grow between 80-95 F
• 3. long - day: flower as nights become shorter in spring
• 4. short - day: flower as nights become longer in fall

• 1. herbs: non-woody stems
• 2. shrubs: multiple stems from ground level
• 3. trees: one central woody trunk

• 1. erect: (row crops)
• 2. decumbant: (peanuts)
• 3. creeping: (strawberry)
• 4. climbing: (kudzu)

• 1. Cereals: grasses grown for edible seed
• 2. Pulses: legumes grown for edible seed
• 3. Oil: plants grown for their oil content
• 4. Fiber: crop plants grown for use in fiber production
• 5. Forage: plants grown for vegetable matter
• 6. Sugar Crops: crops grown for making sugar
• 7. Green Manure: crops grown to improve soil fertility

• 8. Cover Crops: plants grown between crop cycles to reduce erosion
• 9. Vegetable: grown for direct consumption of vegetative parts
• 10. Ornamentals: plants grown for aesthetic value

sceince of classifying and naming plants

study of diversity among organsisms to establish evolutionary relationships

Carl Linnaeus

International Code of Botanical Nomenclature, latin-based system

• 1. Kingdom
• 2. Division
• 3. Class
• 4. Order
• 5. Family
• 6. Genus
• 7. Species

group of plants found in nature that are so different from original that it warrants further classification

a single plant or group of genetically identical plants that have been cultivated or bred byhumans to maintain specefic characteristics.

Zea mays L

Gossypium hirsutum L

Glycine max L. Merr

Triticum aestivum L

Oryza sativa L

Cynodon dactylon L

Lolium arundinaceum (shreb)

• 1. generation of adequate income
• 2. expanded availability of food and consumption through increased production and better marketing 
• 3. conservation and enhancement of natural resources