Guide
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predecessors of angiosperms are gymnosperms, the pollen that carried exclusively by the wind.Angiosperms as a result of evolution gained brightly colored flowers, a pleasant aroma and edible nectar.All this has led to pollinate more effective way - by insects.
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seeds of these plants are surrounded by fruit, protecting them from external influences.Many angiosperms as a result of the evolution of steel to produce toxic substances that protect them from being eaten by animals.These and other factors have contributed to the wide dissemination of flowering.
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Department angiosperms includes a class and the class Monocotyledonous Dicotyledones named according to the number of shares in the seed.Monocots have a fibrous root system, herbaceous stem, leaves and simple tripartite flower.Most of the
m are pollinated by the wind.
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dicots have a pivotal root system branching herbaceous or lignified stem, simple or compound leaves, five-membered flower.Most of them are pollinated by insects.Classes of monocotyledonous and dicotyledonous divided into families.
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large percentage of monocots cultivated man, important among them are cereals.Onion plants are also monocots brightest representatives - onion, leek, garlic.Tulips, lilies, hyacinths also belong to this class.
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Cereal plants are basically grass, although there are exceptions - the bamboo.These include rye, barley, wheat, oats, corn, rice.The stem is hollow inside grasses, flowers are collected in spikes.
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family Rosaceae Class dicots presented fruit trees: apple, cherry, plum, pear and apricot.Others are decorative, such as rose.There are shrubs such as raspberry and rose.
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legume family - one of the largest among the angiosperms.The fruits of many of them are used in foods: peas, beans, chickpeas, peanuts, soybeans.Among them are the trees, such as black locust and shrubs - yellow acacia.
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cruciferous class Dicotyledones man gave such important benefits as cabbage, radish, horseradish, mustard, rutabaga.There are medicines representatives: gillyflower, Mattioli, alyssum.However, a large percentage of cruciferous weeds: shepherd's purse, common winter cress, wild radish.
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Solanaceae plants are also bipartite, among them - potato, tomato, eggplant, pepper, tobacco.Some of them (black henbane, datura ordinary) produce dangerous to human poison.The family Asteraceae is inflorescence basket.Its representatives are sunflowers, aster, cornflower, dandelion, calendula.