Section Four the Flower Part One Makeup and
- Slides: 44
Section Four the Flower
Part One Makeup and Shape v Definition The flower is a abnormal short shoot. v Physiological Function through blossom out and pollination , than raise up seed.
Medicinal Values v For example , Flos Carthami(红花) , Flos Caryophylli(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.
Flos Carthami Flos Lonicerae Flos Caryophylli Flos Chrysanthemi Flos Mgnoliae
Ornamental Values Paeonia ostii Lanhua Tanhua
Composing of Flower 1. Corolla 2. Anther 3. Filament 4. Stigma 5. Style 6. Ovary 7. Receptacle 8. Calyx 9. pedicel
The composing of Flower
1. Composition ★Pedicel ★Receptacle ★Perianth calyx corolla
the Types of Corolla ☆cruciferous corolla ☆papilionaceous ~ ☆labiate ~ ☆tubular ~ ☆ligulate ~ ☆funnel-shaped ~ ☆Campanulate ~ ☆urceolate ~ ☆salver-shaped ~ ☆rotate~
Types of Corolla 1. cruciferous corolla 2. papilionaceous ~ 3. labiate ~ 4. tubular ~ and ligulate ~ 5. funnel-shaped ~ 6. Campanulate ~ 7. rotate~ 8. salver-shaped ~
v ★androecium filament anther v v v v distinct stamen didynamous ~ tetradynamous ~ monadelphous ~ Types diadelphous ~ polyadelphous ~ syngenesious ~
Type of Stamen 1. Monadelphous stamen 2. Diadelphous stamen 3. Didynamous stamen 4. Tetradynamous stamen 5. Polyadelphous stamen 6. Syngenesious stamen
Type of Stamen 1. Didynamous stamen 2. Polyadelphous stamen 3. Monadelphous stamen 4. Synantherous stamen 5. Diadelphous stamen 6. Tetradynamous stamen
v ★gynoecium v v v Types: v stigma style ovary simple pistil compound pistil
Type of Pistil 1. Simple pistil 2. syncarpous pistil 3. syncarpous pistil 4. simple pistil 5. apocarpous pistil
v Ovary v v flower) superior ovary(hypogynous flower) inferior ovary(epigynous flower) half-inferior ovary(perigynous
Part Two Type of Flower v ★complete v ★double flower, incomplete flower perianth flower, simple ~,naked ~ v ★bisexual flower, unisexual ~, monoecism , dioecism, asexual ~ v ★actinomorphic asymmetric ~ flower, zygomorphic ~,
Type of Flower Ⅰ. naked flower Ⅱ. Simple flower Ⅲ. double perianth flowewr 1. Bract 2. calyx 3. corolla
Type of Flower 1. naked flower 2. double perianth flowewr 3. 4. Simple flower
Part Three Flower Formula and Flower Diagram v Flower v Formula it show composing , arrange , location and each other relation of flower with letter, number and symbol.
v 1. Letter P: perianthium v K: kelch C: corolla v A: androecium G: gynoecium v 2. Number 0 wanting or degenerate v ∞ ≥ 10 or unsureness v Carpel: ovary room: ovule
v 3. Symbol *:actinomorphic flower v ↑: zygomorphic flower v : bisexual flower v ♂: staminate flower v ♀: pistillate flower v ( ) adnation v + ring v G: superior ovary v G : inferior ovary v G: half-inferior ovary
For instance v 桑科(Moraceae) ♂P 4~ 6 A 4~ 6 ♀P 4~ 6 G(2: 1: 1) v 罂粟科(Papaveraceae) *↑K 2 C 4~ 6 A 4~ 6, ∞G (2~∞: 1:∞)
v Flower v Diagram It is the illustration drawing by transverse section of flower.
Part Four Inflorescence v The way in which the flower arranges regularly on the rachis and open order are called inflorescence.
v ★Indefinite v v v v ~: Raceme spike catkin Spadix Corymb umbel Capitulum hypanthodium
Type of Inflorescence 1. Raceme 2. spike 3. corymb 4. catkin 5. spadix 6. umbel 7. head 8. hypanthodium 9. panicle 10. cyme
Type of Inflorescence 1. Raceme 2. spike 3. spadix 4. catkin 5. corymb 6. umbel 7. head 8. hypanthodium 9. panicle 10. cyme 11. Verticillaster 12. coniform spike
v ★Definite v v ~: Monochasium dichasium Pleiochasium verticillaster
Type of Definite Inflorescence 1. Hericoid cyme 2. Scorpioid cyme 3. Dichasium 4. Pleiochasium 5. Verticillaster
Type of Definite Inflorescence 1. Scorpioid cyme 2. Hericoid cyme 3. Dichasium 4. Pleiochasium
Part Five Physiological Function v 1. Anthesis self pollination v v 2. pollination cross pollination v v 3. fertilization
Part six microscopic structure (一) calyx 1 epidermis 2 mesophyll 3 vein
(二) Morphology of pollen grain
Morphology of pollen grain
v Review Questions v 一. Definition v flower , androecium , gynoecium, placenta, complete flower , incomplete flower , double perianth flower , simple perianth flower , naked flower , bisexual flower , unisexual flower , asexual flower , flower formula
answer v 1. what is the function of the flower? v 2. what is the composing of the flower? v 二. simple
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