Monocotyledons and Dicotyledons

There are two main phyla:

1. The angiosperms (flowering)
2. The gymnosperms (non-flowering)

Angiosperms:

This major phylum can be subdivided into two groups:

1. Monocotyledons
2. Dicotyledons

1.Monocotyledons:

• One seed leaf
• No petiole
• Long narrow leaves
• Leaf veins are parallel
• Flower plants always grouped in 3's
• Examples: Lilies, grasses, cereals, palms

2. Dicotyledons:

• Two seed leaves
• Broad leaves
• Branching leaf veins
• Flower parts grouped in 4's or 5's
• Examples: Beans, Shrubs