Download - Morphology of fruits

Transcript
Page 1: Morphology of fruits

Created by using various internet

MORPHOLOGY OF FRUITS

Created by using various internet Resources

for Educational Purpose onlyby

Dr. M. Jayakara BhandaryAssociate Professor of Botany

Government CollegeKarwar -581301

Photo: Dinesh Nayak Vittla

Page 2: Morphology of fruits

A mature or ripened ovary formed after fertilization is called fruit.

Ovary wall – Pericarp

What is a fruit?

Ovary wall – PericarpOvule- seed

Page 3: Morphology of fruits

Parts of Fruits

Fruit Fruit Ripened ovary

Pericarp Pericarp Covering of ovary

EpicarpEpicarpOutermost

MesocarpMesocarpMiddle layer

Endocarp Endocarp Innermost layer

Seed Seed Ovule development

Page 4: Morphology of fruits

Types of Fruits

1. True fruits� Ovary of the flowers grows into the

fruit.2. Peudo-fruits/False fruits2. Peudo-fruits/False fruits� It is often found that other floral parts

such as thalamus, receptacle or calyx, may grow and form a part of fruit.

Page 5: Morphology of fruits

Types of the fruits

• Depending upon the number of fruits developing from a flower (which depends on number of (which depends on number of carpels present in the flowers), the fruits are classified:

Page 6: Morphology of fruits

Fruit

Simple fruit Aggregate fruit

Composite/multiple

fruit

Fleshy fruit Dry fruit

Dehiscent

Indehiscent

Schizocarpic

fruit

Page 7: Morphology of fruits

Types of Fruits

Page 8: Morphology of fruits

Simple Fruits• Single fruit from a flower

– Dry simple• Dry Dehiscent – dehisce automatically

– Legume– Follicle– Siliqua– Capsule

• Dry Indehiscent- no dehiscence– Caryopsis– Caryopsis– Achene– Samara– Cypsella– Nut

• Schizocarpic – splitting to many one seeded bits– Lomentum– Cremocarp– Regma

Page 9: Morphology of fruits

Simple Fruits contd….

• Fleshy simple Fruits– Drupes– Berry– Pepo– Pepo– Pome– Hesperidium

Page 10: Morphology of fruits

Aggregate Fruits• Flowers with many

apocarpous (free) ovaries – many fruits from a single flower:– Aggregate/Etaerio of

FolliclesFollicles– Aggregate/Etaerio of

Achenes– Aggregate/Etaerio of

Drupes– Aggregate/Etaerio of

Berries

Page 11: Morphology of fruits

Composite or Multiple Fruits

• One fruit from an entire inflorescence– Sorosis – from

spadix/spike spadix/spike inflorescences (Jackfruit, Pineapple)

– Syconus – from hypanthodium (Eg. Fig)

Page 12: Morphology of fruits

Legume

From monocarpellery, single chambered Ovary.Seeds in marginal placentation.Splits along both margins.

Page 13: Morphology of fruits

Follicle

Dry monocarpellary, single chambered,burst from one suture ,Ex. Calotropis

Page 14: Morphology of fruits

SiliquaSplit from below upwards,Seeds attached to central to central ReplumEx. Mustard

Page 15: Morphology of fruits

Silicula

A short siliqua

Ex. Shepherds Ex. Shepherds purse

Page 16: Morphology of fruits

Capsule

Multilocular, many seeded fruit.From bi-From bi-polycarpellary syncarpous ovary.Different types based nature of dehiscence

Page 17: Morphology of fruits
Page 18: Morphology of fruits
Page 19: Morphology of fruits

Caryopsis

One seeded fruit from monocarpelleryovary.ovary.Pericarp fused with testa.Ex. Paddy, Grass fruits

Page 20: Morphology of fruits
Page 21: Morphology of fruits

Achene

One seeded fruit from monocarpellerymonocarpelleryovary.Pericarp free from testa.Ex. Mirabilis

Page 22: Morphology of fruits

Samara• Winged fruits

one /two seeded fruits with flattened wing like out growthsEx. TerminaliaEx. Terminalia

Page 23: Morphology of fruits

Cypsella

• One seeded fruit from an inferior Ovary

• Ex. Sunflower• Ex. Sunflower

Page 24: Morphology of fruits

Nut• One seeded fruit with a hard covering

Page 25: Morphology of fruits

Schizocarpic Fruits

• Lomentum– Splitting into

many one seeded pieces

Intermediate between dehiscent and indehiscent

seeded pieces– Ex: Mimosa,

Ground nut

Page 26: Morphology of fruits

Cremocarp

From bicarpellary syncarpousbilocular ovary, 2 chambered fruit – one seed in each chamber.each chamber.Splits into two pieces called mericarps which remain attached to a central stalk called carpophore.Ex. Coriandrum, Fennel

Page 27: Morphology of fruits

Regma

From trilocular ovary,3-chambered with seeds in axileplacentation.Each chamber with Each chamber with single seed separates,Remains attached to the central carpophore.Ex. Castor

Page 28: Morphology of fruits
Page 29: Morphology of fruits

Fleshy Fruits - Drupes

Page 30: Morphology of fruits
Page 31: Morphology of fruits
Page 32: Morphology of fruits

Berry

Page 33: Morphology of fruits
Page 34: Morphology of fruits

Pepo

Page 35: Morphology of fruits
Page 36: Morphology of fruits

Hesperidium

Page 37: Morphology of fruits
Page 38: Morphology of fruits

Aggregate of Follicles

Page 39: Morphology of fruits

Aggregate of Berries

Page 40: Morphology of fruits

Multiple/composite fruit� Composed of a number of closely associated

flowers aggregate together is called multiple fruit.1. Sorosis

� Developing from spike in which flowers fused by sepals and becomes woody.

� Pineapple� Pineapple2. Syconus

� Developing from hypanthodium, pear-shaped which encloses number of minute male and female flowers.

� Banyan, peepul, fig.

Page 41: Morphology of fruits