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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