Flower and Fruit - KSUfac.ksu.edu.sa/sites/default/files/fruit_-_lap_11_mdl.pdf · Flower and Fruit...

Flower and Fruit

The flower helps the plant to reproduce.

Basic Flower Structure

stigma

style

ovary

locule

ovule

carpel

gynoecium

pollen

anther

filament stamen

androeciumpetal

corolla

perianthsepal

calyx

receptacle

pedicel Perianth is complete

Flower is perfectFlower is monoecious

Flower is hypogynous

Pistil is simple

The Reproductive Structure of Flowering Plants:

Perianth

Petal: CorollaSepal:Calyx

fruit can be defined as part of a flowering

plant that derives from specific tissues of the flower, one or more ovaries, and in some

cases accessory tissues”.

Fruits

A fruit develops from the

ovary wall after

fertilization of the egg in

the ovule

A seed develops from the

ovule after fertilization

of the egg in the ovule

Receptacle

Classification of Fruits

Simple

(e.g.Senna pods)

Aggregate

(e.g.Star anise)

Composite (compound, multiple)

(e.g. Figs)

2- Dry Fruits

1- Succulent (fleshy pericarp)

Succulent Fruits

حسلية

Drupe

لبية

Berry

كاذبة تفاحيةPome

Dry Fruitsالثمار الجافة

جافة متفتحة Dehiscent

جافة غير متفتحة Indehiscent

منشقة Schizocarpic

I-Dehiscent Fruits

جرابيةFollicle

قرنيةLegume

خردلةSiliqua

خريدلةsilicula

Capsuleعلبة

Capsuleعلبة

Porousثقوب teeth اسنان Lidغطاء Valvesصمامات

يكن

سم

يجز

حاي

عرا

صم

II-Indehiscent Fruits

غير متفتحة

فقيرة Achene

برةCaryopsis

سبسالCypsella

جناحية Samara

بندقة

Nut

III-Schizocarpic Fruits منشقة

الثمار المتجمعة Aggregate Fruits

Achenes

Follicles

strawberry rasberry

Composite Fruits

(Compound,Collective or Multiple)

توتيةثمار مركبة تينيةثمار مركبة ثمار األناناس