F. Fruit

Angiosperms produce fruit after fertilization from the ovary.

Types

Parthenocarpic Fruits

  • Fruits produced from ovary without fertilization

  • Example: Seedless grapes

True Fruit

1

  • Develops only from ovary

  • Example: Mango

False Fruit (Pseudocarp)

1

  • Develops from other floral parts than ovary

  • Example: Apple

Structure of a True Fruit

Components:

  • Protective wall (Pericarp): Contains seeds

In Fleshy Fruits, pericarp is further divided:

  • Epicarp: Outer layer
  • Mesocarp: Middle layer
  • Endocarp: Inner layer
  • Example: Mango

 1


Types of Fruits

Simple Fruits

  • Develop from one ovary of one flower

1

 

Dry Fruits

  • Thin pericarp
  • Dehiscent: Breaks open at maturity (e.g., Capsule, Legume)
  • Indehiscent: Does not break open (e.g., Achene, Caryopsis, Cypsela)

1

Fleshy Fruits

  • Thick pericarp
  • Examples: Berry, drupe

1

Aggregate Fruits

  • Develop from many ovaries of apocarpous gynoecium

  • Also called collection/Etario
  • Example: Etario of achenes = Strawberry

Composite Fruits

  • Develop from one whole inflorescence

  • Examples:
    • Syconus: Fig
    • Sorosis: Pineapple
1

Fruit Types and Structure

Category of Fruit

Type of Fruit

Structure/Definition

Characteristics

Examples

Parthenocarpic Fruits

Parthenocarpic Fruits

Fruits produced from ovary without fertilization

No seeds present; seedless variety

Seedless grapes

True Fruit

True Fruit

Develops only from ovary after fertilization

Contains seeds; ovary wall becomes pericarp with three layers (Epicarp - outer, Mesocarp - middle, Endocarp - inner)

Mango

False Fruit

False Fruit (Pseudocarp)

Develops from other floral parts than ovary

Includes tissues from receptacle, calyx, or other floral parts

Apple

SIMPLE FRUITS

Dry Fruits - Dehiscent

Develop from one ovary of one flower; thin pericarp; breaks open at maturity

Pericarp splits to release seeds; fruit ruptures naturally at maturity

Capsule, Legume

Dry Fruits - Indehiscent

Develop from one ovary of one flower; thin pericarp; does not break open

Pericarp remains intact at maturity; seeds not released from fruit

Achene, Caryopsis, Cypsela

Fleshy Fruits

Develop from one ovary of one flower; thick pericarp with three distinct layers (Epicarp - outer layer, Mesocarp - middle layer, Endocarp - inner layer)

Soft, succulent, fleshy tissue; pericarp well-developed; edible

Berry, Drupe

AGGREGATE FRUITS

Aggregate Fruits (Etario)

Develop from many ovaries of apocarpous gynoecium; also called collection or Etario

Multiple small fruits (fruitlets) from one flower; clustered together; appear as one unit

Etario of achenes = Strawberry

COMPOSITE FRUITS

Composite Fruits - Syconus

Develop from one whole inflorescence

Entire inflorescence becomes a single fruit structure; multiple flowers fuse into one fruit body

Fig

Composite Fruits - Sorosis

Develop from one whole inflorescence

Entire inflorescence becomes a single fruit structure; multiple flowers fuse; usually large and compound

Pineapple