The content is just an excerpt from the complete note for SS 2 Second Term Agricultural Science Lesson Note – Meaning and Importance of Ornamental Plants. Check below to download the complete PDF
SUBJECTS: AGRICULTURAL SCIENCE
CLASS: SS 2
TOPIC: MEANING AND IMPORTANCE OF ORNALMENTAL PLANTS.
CONTENTS:
- Meaning
- Importance (a) Screening and delineation (b) Architectural beauty of building etc
Sub-topic: 1
Meaning of Ornamental Plants: These are plants (trees, shrubs, or herbs) which are used for different purposes by man.
Ornamental plants can also be seen as plants that are cultivated or grown to beautify or decorative purposes in gardens and landscape design projects such as houses, walk ways , parks and indoors. They are also planted and arranged or placed where they will thrive for a useful purpose.
The study of ornamental plants is called floriculture. The person who grows or sells flowers is called a florist
There are different types of ornamental plants which can be used for different purposes.
The following are common ornamental plants found in Nigeria.
| GRASS | ||
| No | Common name | Scientific name |
| 1 | Bahama grass | Cynodon dactylon |
| 2 | Carpet grass | Axonopus compressus |
| 3 | Bush marigold | Aspilia africana |
| 4 | Crotalaria | Crotalaria juncea |
| SHRUBS | ||
| 5. | Pride of Barbados | Caesalpinia spp |
| 6 | Milk bush | Tephtia peruvina |
| 7 | Rose flower | Hibiscus rosa sinensis |
| 8. | Queen of the Night | Cestrum nocturum |
| TREES | ||
| 9. | Flame of the forest | Delonix regia |
| 10 | Frangipani | Phimaria spp |
| 11. | Whistling pine | Casuarina equisetifolia |
| 12 | Masquerade tree | Polualithia spp |
| 13 | Royal palm | Roysthonea spp |
Importance of Ornamental Plants
Ornamental trees, shrubs and flowers have various uses, hence their importance for our well-being.
- Landscaping:
- Flowers are used to beautify residential and office buildings as well as playground.
- The plants whose flowers are attractive, colorful and sweet smelling are used for this purpose
- Provision of shade:
- Many ornamental shrubs and trees such as Odan- Ficus spp and Almond tree are used to provide shade around houses especially in villages
- Wind Break:
- Closely spaced tall ornamental shrubs and trees are usually planted close to buildings to act as wind break.
- Wind break trees add to the beauty of the areas. An example of wind break trees is teak, Ashoka (Police Tree)
- Screening and Delineation of areas:
- Ornamental plants can be used to screen a place such as house from the prying eyes of strangers.
- Used to delineate areas from one another by using it for demarcation
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