section four the flower. part one makeup and shape definition the flower is a abnormal short shoot....
TRANSCRIPT
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Section Four the Flower
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Part One Makeup and Shape
Definition The flower is a abnormal short shoot.
Physiological Function through blossom out and pollination ,than raise
up seed.
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For example , Flos Carthami( 红花 ) , Flos C
aryophylli( 丁香 ) , Flos Chrysanthemi( 菊花 )
Flos Lonicerae( 金银花 ) , Flos Mgnoliae( 辛夷 ) ,Pollen Pini( 松花粉 ),Stigma Croci( 番红花 ) and etc.
Medicinal Values
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Flos CarthamiFlos Caryophylli
Flos Chrysanthemi
Flos Lonicerae Flos Mgnoliae
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Ornamental Values
Paeonia ostiiLanhua
Tanhua
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1.Corolla2.Anther3.Filament4.Stigma5.Style6.Ovary7.Receptacle8.Calyx9.pedicel
Composing of Flower
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The composing of Flower
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1.Composition
★Pedicel
★Receptacle
★Perianth calyx
corolla
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☆cruciferous corolla
☆papilionaceous ~☆labiate ~☆tubular ~☆ligulate ~
the Types of Corolla
☆funnel-shaped ~☆Campanulate ~☆urceolate ~☆salver-shaped ~☆rotate ~
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Types of Corolla
1.cruciferous corolla2.papilionaceous ~3.labiate ~4.tubular ~ and ligulate ~5.funnel-shaped ~6.Campanulate ~7.rotate ~8.salver-shaped ~
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★androecium filament anther
Types distinct stamen diadelphous ~ didynamous ~ polyadelphous ~ tetradynamous ~ syngenesious ~ monadelphous ~
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Type of Stamen
1.Monadelphous stamen
2.Diadelphous stamen
3.Didynamous stamen
4.Tetradynamous stamen
5.Polyadelphous stamen
6.Syngenesious stamen
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Type of Stamen1.Didynamous stamen2.Polyadelphous stamen 3.Monadelphous
stamen 4.Synantherous stamen 5.Diadelphous stamen 6.Tetradynamous stamen
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★gynoecium stigma style ovary
Types: simple pistil compound pistil
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Type of Pistil
1.Simple pistil 2.syncarpous pistil 3. syncarpous pistil
4.simple pistil 5.apocarpous pistil
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Ovary superior ovary(hypogynous flower) inferior ovary(epigynous flower) half-inferior ovary(perigynous flowe
r)
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Part Two Type of Flower
★complete flower,incomplete flower ★double perianth flower,simple ~, naked ~ ★bisexual flower,unisexual ~ ,monoecism ,dio
ecism,asexual ~ ★actinomorphic flower, zygomorphic ~ ,asym
metric ~
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Type of Flower
Ⅰ.naked flower
Ⅱ. Simple flower
Ⅲ.double perianth flowewr
1.Bract 2.calyx 3.corolla
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Type of Flower1. naked flower 2. double perianth flowewr
3.4. Simple flower
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Part Three Flower Formula and Flower Diagram
Flower Formula it show composing , arrange , location
and each other relation of flower with letter, number and symbol.
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1.Letter P:perianthium K:kelch C:corolla A:androecium G:gynoecium 2. Number 0 wanting or degenerate ∞ ≥10 or unsureness Carpel:ovary room:ovule
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3.Symbol *: actinomorphic flower ↑: zygomorphic flower :bisexual flower ♂:staminate flower ♀:pistillate flower ( ) adnation + ring G: superior ovary G : inferior ovary G: half-inferior ovary
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桑科 (Moraceae)
♂P4 ~ 6A4 ~ 6 ♀P4 ~ 6G ( 2 : 1 : 1 )
罂粟科 (Papaveraceae)
*↑K2 C4 ~ 6A4 ~ 6,∞G (2 ~∞: 1 :∞ )
For instance
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百合科 (Liliaceae )
*P3+3 ,( 3+3 ) A3+3 G ( 3: 3 : ∞ )
毛茛科 (Ranunculaceae)
*↑K3 ~∞ C3 ~∞, 0A ∞G1 ~∞: 1 : 1 ~∞
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Flower Diagram It is the illustration drawing by transverse se
ction of flower.
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Part Four Inflorescence
Inflorescence The way in which the flower arranges
regularly on the rachis and open order are called inflorescence.
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★Indefinite ~ : Raceme spike catkin Spadix Corymb umbel Capitulum hypanthodium
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Type of Inflorescence
1.Raceme 2.spike 3.corymb 4.catkin 5.spadix 6.umbel 7.head 8.hypanthodium 9. panicle 10.cyme
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Type of Inflorescence1.Raceme 2. spike 3. spadix 4.catkin 5. corymb 6.umbel
7.head 8.hypanthodium 9. panicle 10.cyme
11.Verticillaster12.coniform spike
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★Definite ~ : Monochasium dichasium Pleiochasium verticillaster
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Type of Definite Inflorescence
1.Hericoid cyme2.Scorpioid cyme
3.Dichasium4.Pleiochasium 5 . Verticillaster
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Type of Definite Inflorescence1. Scorpioid cyme 2. Hericoid cyme
3.Dichasium 4.Pleiochasium
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Part Five Physiological Function
1.Anthesis self pollination
2.pollination cross pollination
3.fertilization
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Part six microscopic structure(一) calyx1 epidermis2 mesophyll3 vein
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( 二 ) Morphology of pollen grain
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Morphology of pollen grain
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Review Questions 一 .Definition flower , androecium , gynoecium, placenta,
complete flower , incomplete flower , double perianth flower , simple perianth flower , naked flower , bisexual flower , unisexual flower , asexual flower , flower formula
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二 .simple answer 1.what is the function of the flower? 2.what is the composing of the flower?