Biological Terms Used to Describe Plants

Biological Terms Used to Describe Plants

Horticulture IHorticulture I

What is Horticulture?

Horticulture

• Comes from the Latin hortus cultorum• Hortus = garden• Cultorum= cultivation

Horticulture

The science and practice of growing, processing and marketing fruits, vegetables, and ornamental plants

Comes from the Latin word meaning “garden cultivation”

Biological Divisions of Plants

Biological Divisions of Plants

Life Cycles of Plants• Annual-a plant that completes its life

cycle in one year

• Biennial-a plant that completes its life cycle in two years

– Usually grows the first year and flowers the second year

• Perennial-a plant that lives more than two years

– Some grow and bloom the first year

Leaf Retention of a Plant

Leaf Retention-How a plant holds its leaves.

• Evergreen- Retains leaves all year-round and is always green.

• Deciduous- Loses its leaves during the dormant season.

• Herbaceous- Dies down to the ground in the dormant season and returns in the spring.

Moisture in Plants

• Turgid-plant is swollen or filled with moisture

• Wilted-plant is limp because it does not have enough moisture

Plant Growth • Vegetative phase – begins when a

plant seed germinates and grows producing leaves, stems and roots

• Reproductive phase – when a plant flowers and produces fruit.

• Dormant phase – when plant rests or grows very little – Plants go dormant in response to adverse

conditions, such as extreme heat or cold

Season Crop Type

• Cool season plants- Like cool temperatures, growing best in spring or fall – Example: Pansy

• Warm season plants- Grow best in warm temperatures, grow best in summer and early fall– Example: Zinnia, Marigold, and Vinca

Activity

• Set up Interactive Notebook• 3.01 Notes • 3.01 Vocabulary

Activity

• Create a crossword puzzle using 10 facts on biological terms to describe plants

• Solve someone’s crossword!