Identification and Classification of Grass Species

1
Identification and Classification of Grass
Species
2
Common Identifying Characteristics

• Vernation
• Auricles
• Leaf Sheath
• Ligule
• Collar
• Leaf Blade
• Growth Habits

3
Vernation

• Definition
• Rolled
• Folded

4
Auricles

• Defined
• Absent
• Present
• Claw-like
• Rudimentary

5
Leaf Sheath

• Defined
• Closed
• Open
• Split with overlapping margins

6
Ligule

• Type
• Absent
• Membranous
• Fringed with hairs
• Shape
• Acuminate
• Acute
• Rounded
• Blunt
• Margin
• Enitre
• Notched
• Toothed
• Ciliate

7
Collar

• Divided
• Broad
• Narrow

8
Leaf Blade

• Tip
• Blunt or Rounded
• Boat-Shaped
• Tapered to a point/ Acuminate
• Cross Section
• Flat
• V-shaped
• Bristle-like
• Folded

9
Growth Habits

• Bunch-Type (Clumping)
• Rhizomatous
• Stoloniferous