Sepals: Free vs United Quiz

Flower Structure

• The botanical term for the stalk that carries a flower is pedicel.
• The part of the pedicel that is swollen to form the receptacle is the upper end.
• Root is NOT a part of the flower's structure.

Reproductive Organs

• The part of a flower responsible for producing the male gametes is the anther.
• The female gametes in a flower are the egg cells.
• The part of a flower that contains the female reproductive organ is the carpel.

Sepals and Calyx

• Polysepalous describes sepals that are free and not fused together.
• A synsepalous calyx is formed when sepals are united to form a cup-shaped or tubular structure.
• In a flower with synsepalous sepals, the sepals are arranged in a fused, tube-like structure.

Ovules and Placenta

• The ovules are attached to the placenta in a carpel.
• The main function of ovules in the ovary is to develop into seeds after fertilization.
• The structure of a carpel facilitates seed production by providing a protected space for ovule development and fertilization.

Active Constituents

• Betacyanin is the active constituent found in tubular calyx epicalyx responsible for the red color.
• Gossipetin is responsible for the yellow color in tubular calyx epicalyx.
• Starch is NOT an active constituent of tubular calyx epicalyx.