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Section Four the Flower

Section Four the Flower. 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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Section Four the Flower

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  1. Section Four the Flower

  2. Part One Makeup and Shape Definition The flower is a abnormal short shoot. Physiological Function through blossom out and pollination ,than raise up seed.

  3. 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. Medicinal Values

  4. Flos Caryophylli Flos Carthami Flos Chrysanthemi Flos Lonicerae Flos Mgnoliae

  5. Ornamental Values Paeoniaostii Lanhua Tanhua

  6. Composing of Flower 1.Corolla 2.Anther 3.Filament 4.Stigma 5.Style 6.Ovary 7.Receptacle 8.Calyx 9.pedicel

  7. The composing of Flower

  8. 1.Composition ★Pedicel ★Receptacle ★Perianth calyx corolla

  9. ☆cruciferous corolla ☆papilionaceous ～ ☆labiate ～ ☆tubular ～ ☆ligulate ～ the Types of Corolla ☆funnel-shaped ～ ☆Campanulate ～ ☆urceolate ～ ☆salver-shaped ～ ☆rotate～

  10. Types of Corolla 1.cruciferous corolla 2.papilionaceous ～ 3.labiate ～ 4.tubular ～ and ligulate ～ 5.funnel-shaped ～ 6.Campanulate ～ 7.rotate～ 8.salver-shaped ～

  11. ★androecium filament anther Types distinct stamen diadelphous ～ didynamous ～ polyadelphous ～ tetradynamous ～ syngenesious ～ monadelphous ～

  12. Type of Stamen 1.Monadelphous stamen 2.Diadelphous stamen 3.Didynamous stamen 4.Tetradynamous stamen 5.Polyadelphous stamen 6.Syngenesious stamen

  13. Type of Stamen 1.Didynamous stamen2.Polyadelphous stamen 3.Monadelphous stamen 4.Synantherous stamen 5.Diadelphous stamen 6.Tetradynamous stamen

  14. ★gynoecium stigma style ovary Types: simple pistil compound pistil

  15. Type of Pistil 1.Simple pistil 2.syncarpous pistil 3. syncarpous pistil 4.simple pistil 5.apocarpous pistil

  16. Ovary superior ovary(hypogynous flower) inferior ovary(epigynous flower) half-inferior ovary(perigynous flower)

  17. Part Two Type of Flower ★complete flower,incomplete flower ★double perianth flower,simple ～，naked ～ ★bisexual flower,unisexual ～,monoecism ,dioecism,asexual ～ ★actinomorphic flower, zygomorphic ～,asymmetric ～

  18. Type of Flower Ⅰ.naked flower Ⅱ. Simple flower Ⅲ.double perianth flowewr 1.Bract 2.calyx 3.corolla

  19. Type of Flower 1. naked flower 2. double perianth flowewr 3.4. Simple flower

  20. 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.

  21. 1.Letter P:perianthium K:kelch C:corolla A:androecium G:gynoecium 2. Number 0 wanting ordegenerate ∞ ≥10 or unsureness Carpel:ovary room:ovule

  22. 3.Symbol ＊：actinomorphic flower ↑: zygomorphic flower :bisexual flower ♂:staminate flower ♀:pistillate flower ( ) adnation + ring G: superior ovary G : inferior ovary G: half-inferior ovary

  23. 桑科(Moraceae) ♂P4～6A4～6 ♀P4～6G（2：1：1） 罂粟科(Papaveraceae) 　　*↑K2 C4～6A4～6,∞G(2～∞：1：∞) For instance

  24. 百合科(Liliaceae ) 　　*P3+3，（3+3）A3+3G（3: 3 : ∞ ） 毛茛科(Ranunculaceae) 　　*↑K3～∞C3～∞，0A ∞G1～∞：1：1～∞

  25. Flower Diagram It is the illustration drawing by transverse section of flower.

  26. Part Four Inflorescence Inflorescence The way in which the flower arranges regularly on the rachis and open order are called inflorescence.

  27. ★Indefinite ～: Raceme spike catkin Spadix Corymb umbel Capitulum hypanthodium

  28. Type of Inflorescence 1.Raceme 2.spike 3.corymb 4.catkin 5.spadix 6.umbel 7.head 8.hypanthodium 9. panicle 10.cyme

  29. 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

  30. ★Definite ～: Monochasium dichasium Pleiochasium verticillaster

  31. Type of Definite Inflorescence 1.Hericoid cyme 2.Scorpioid cyme 3.Dichasium 4.Pleiochasium 5 . Verticillaster

  32. Type of Definite Inflorescence 1. Scorpioid cyme 2. Hericoid cyme 3.Dichasium 4.Pleiochasium

  33. Part Five Physiological Function 1.Anthesis self pollination 2.pollination cross pollination 3.fertilization

  34. Part six microscopic structure （一） calyx 1 epidermis 2 mesophyll 3 vein

  35. (二) Morphology of pollen grain

  36. Morphology of pollen grain

  37. 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

  38. 二.simple answer 1.what is the function of the flower? 2.what is the composing of the flower?

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