1. Section Five Fruit Part One Formation and Character of Fruit  Fruit is a reproductive organs of Angiospermae which come from developed ovary of pistil. It have protecting and spreading function.

2. Physiological function of fruit 凤仙花喷瓜鬼针草

3. Medicinal value of fruit 桑椹 女贞子 甜瓜蒂 陈皮 丝瓜络

4.  True fruit : completely developed ovary  False fruit : besides ovary, receptacle, calyx, rachis participate in formation of the fruit.

5.  Fruit pericarp exocarp  mesocarp  endocarp  seed

6. The structure of pome

7. Part two the type of fruit  According origin, structure and quality of pericarp to sort three types.  1.simple fruit  2.Aggregate fruit  3.Collective fruit or multiple fruit

8.  1.simple fruit  Only one pistil developed one fruit in one flower. according different quality of pericarp to sort two types.  ① freshy fruit berry  drupe  pome  hesperidium  pepo

9. Ⅰ.berry(1.exocarp2.mesocarp3.endocarp) Ⅱ.hesperidium(6.vesiclely hair) Ⅲ.drupe Ⅳ.pepo(ovule)

10. berry—— 忍冬 drupe—— 杏 drupe—— 山茱萸 pome—— 苹果 A 萼裂片 B 雄蕊 C 花柱 D 内果皮 E 种子 2 枚 F 种皮 G 子叶 2 枚 H 果心线（维管束） I 花被的维管束 J 果柄

11. 枸橘花果解剖 雄蕊内 ( 花 ) 盘, 子房上位, 中轴胎座, hesperidium pepo—— 南瓜 左 : 为子房纵切中 :3 个侧膜胎座合生， 黑线勾勒为 1 个心皮右 : 花药呈 S 形弯曲

12.  ② dry fruit  A. dehiscent fruit follicle  legume  silique, silicle  capsule 

13.  B.indehiscent fruit achene  caryopsis  nut (nutlet)  samara  utricle  schizocarp(cremocarp)

14. 1.follicle2.legume3.silique4.capsule5.capsule 6.capsule7.caryopsis8.achene 9.samara10.nut11.cremocarp

16. follicle—— 夹竹桃 legume—— 榼藤子 silique—— 油菜 silicle—— 荠菜 Capsule 罂粟幼果 capsule—— 百合 capsule—— 油茶

17. Achene 向日葵花果解剖 Caryopsis 小麦成熟期的果实 nut—— 板栗 samara—— 榆树

18. Cremocarp 胡萝卜 A 双悬果 B 果实腹面 C 果实背面 D 种子 E 心皮柄 F 果柄 G 主棱 H 次棱

19.  2.Aggregate fruit  Many apocarpous pistil in receptacle and receptacle together developed fruit. 聚合蓇葖果 —— 玉兰 聚合瘦果 —— 草莓 聚合浆果 —— 天南星

20. the type of Aggregate fruit 1.aggregate berry 2.aggregate drupe 3. 4.aggregate fillicle 5. 6.aggregate achene 7.aggregate nut

21. The type of Aggregate fruit 1. 2. aggregate follicle 3. aggregate berry 4. aggregate nut 5. 6. aggregate achene

22.  3.Collective fruit or multiple fruit  Whole inflorenscence developed fruit.  For example 1. pineapple2.mulberry and 4.fig.

23. The type of multiple fruit 1. mulberry 2. Pineapple 3. fig. 4. Fruit of chinar

24.  Review Questions  一.Definition  True fruit, false fruit, simple fruit, aggregate fruit, collective fruit  二.simple answer  1.what is the inner structure of the fruit?