Transcript Scientific Identification of Plants

Biological Terms Used to
Describe Plants
Horticulture 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
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!