• Name Origin: From Greek anthos = “flower”
• Key Adaptations:
-Flowers
-Fruits
• Flower Type: May be perfect (stamen and pistil in one flower) or imperfect (separate)
• Fertilization: Double fertilization
• Spores: Heterosporous
• Dominant Stage: Sporophyte
• Body Structure:
-Epidermis with waxy cuticle
-Vascular tissue, pollen, and seeds present
• Fruit:
-Typically a mature ovary, sometimes includes other flower parts
-Protects seeds and aids in dispersal
-Can be fleshy or dry when mature
• Ovary: Ovules enclosed within
• Cotyledons: Two
• Leaf Venation: Net-like (reticulate)
• Vascular Bundles: Arranged in a ring
• Root System: Taproot
• Flower Parts: In multiples of 4 or 5
• Examples: Helianthus annuus (sunflower)
• Cotyledons: One
• Leaf Venation: Parallel
• Vascular Bundles: Scattered in stem
• Root System: Fibrous
• Flower Parts: In multiples of 3
• Examples: Zea mays (corn)