Flower Structure:
- Four primary whorls: Calyx, Corolla, Androecium, Gynoecium.
Whorls of a Flower:
- Calyx: Outermost, has sepals.
- Corolla: Second, has petals.
- Androecium: Third, has stamens.
- Gynoecium: Innermost, has carpels/pistils.
Reproductive Organs:
- Androecium: Produces pollen.
- Gynoecium: Contains ovules.
Parts of a Flower:
- Sepals: Protective, in the calyx.
- Petals: Attractive, in the corolla.
- Stamens: Male reproductive.
- Carpel/Pistil: Female reproductive.
- Ovules: Contain female gametes.
Aestivation:
- Valvate: Overlapping but not touching.
- Twisted: Overlapping with one margin inside.
- Imbricate: Partial overlapping.
- Vexillary: Banner, wings, and keel.
- Quincuncial: Five elements with two outer and three inner.
