ppt on Family poaceae

1. FAMILY POACEAE

2. PRESENTED BY:
• Mahnoor 17471507-090
• Faiza Afzal 17471507-105
• Rimsha Azmat 17471507-106
• Sheeza Kanwal 17471507-107
• Qiswa Zahra 17471507-119
• Anum Khalid 17471507-120

3. CONTENTS:
• Introduction
• Graphical distribution
• Habit and habitat
• Vegetative characters
• Floral characters
• Phytochemical constituents
• Economical importance

4. ETYMOLOGY:
• Name “Poaceae” was given by John Hendley
in 1895.
•It was given on the basis of tribe Poeae.
• Term is derived from Greek word meaning
fodder.
•Genus Poa introduced by Carl Linnaeus.

5. INTRODUCTION:
•Also known as Gramineae or Grass family.
•Large and ubiquitous family of
monocotyledonous flowering plants.
•Represents the fifth largest plant family.

6. TAXONOMY:
 Kingdom : Plantae
 Phylum : Angiosperms
 Class : Monocotyledonae
 Order : Poales
 Family : Poaceae
12- subfamilies

7. TAXONOMY:
 Genera : 771
 Species : 12,000

8. COMMON EXAMPLES:
SUGARCANE RICE

9. DISTINGUISHED CHARACTERS:
 Habit:
Mostly Herbs
Stem:
Hollow and cylindrical in shape, nodes and internodes are
present. Known as culm
Leaf:
Simple, ligulate, sessile leaves

10. CONTINUE…
Flower:
Small, hypogynous, zygomorphic, bisexual
 Androecium:
3-stamens
Gynoecium:
Monocarpellary

11. CONTINUE…
Inflorescence:
Spike
Fruit:
Caryopsis

12. ECONOMICALLY:
• Source of food
• Source of oil and medicine like lemon grass
• Used as fodder like Poa
• Used as building material and furniture