BIS 2C Lecture Notes - Lecture 22: Multiple Fruit, Accessory Fruit, Legume
1 Mar 2018
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2/16/2018 http://www. wild lmhistory. org/ lm/121/clip/637/the+extraordinary+sex+lives+of+plants. html: speci c interactions between owers and pollinators, major types of fruits. How a tree and its moth shaped the mojave desert. Moth lays eggs in ower, caterpillars eat the seeds. After fertilization the ovary enlarges and becomes the fruit. Any ovary surrounding wall is a fruit. Eg peas! potatoes: are stems not roots, the little sprouts are axillary buds functions of fruit. Protect the next generation contained in the seed. Attract animals that will help disperse seed. Ower had multiple ovules tomato image: two carpels, multiple ovules inside, outside is ovary wall ( eshy part - fruit) Accessory fruit: organs other than ovary contributes to fruit, eg strawberry. The fruit part we eat is actually the eshy receptacle. Each seed is a fruitlet, complete with mature ovary wall. Multiple fruit: many owers that combine to make a single fruit, eg pineapple. The center is the central stem of the in orescence.
