HOMEPlant and usClassification of the plant HTML ver.
The kinds of plants | |||||||||||||||||||||||||
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We call the plants which make seeds and make offspring, seed plants. | ||||||||||||||||||||||||
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A plant such as the one to the left is called an angiosperm. An angiosperm is a plant that has an ovule wrapped in an ovary. | ||||||||||||||||||||||||
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Plants that have an ovule is not wrapped in an ovary such as the pine that are called Gymnospermae. | ||||||||||||||||||||||||
The kinds of angiosperm | |||||||||||||||||||||||||
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As for the angiosperm, there are two types of cotyledons, and cotyledons with only one part are called single cotyledons like the one shown to the left. | ||||||||||||||||||||||||
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The second type of cotyledon has two parts and is called Dicotyledones. | ||||||||||||||||||||||||
The characteristics of single cotyledons | |||||||||||||||||||||||||
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The leaf veins go straight and are parallel to each other they is called parallel veins. | ||||||||||||||||||||||||
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The roots of single cotyledons open like a mustache. This is called a fibrous root. | ||||||||||||||||||||||||
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The vascular stand of single cotyledons is made up of scattered trachea and sieve tulos that bring water and nourishment to the whole plant. | ||||||||||||||||||||||||
The characteristics of Dicotyledones | |||||||||||||||||||||||||
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The leaves veins open like a net from the center which is called netted venation. | ||||||||||||||||||||||||
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There is abig root at bottom of Dicotyledones, and thin roots can grow fromit it. These are called an axial root and a lateral root. | ||||||||||||||||||||||||
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The vascular strand of Dicotyledones is made up of a ring of trachea and sieve tubes. | ||||||||||||||||||||||||
The characteristic of the flower of Dicotyledones | |||||||||||||||||||||||||
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The petals of Dicotyledones are close together. These are called gamopetalous flowers. | ||||||||||||||||||||||||
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If the petals are separated,they are called schizopetalous flowers. | ||||||||||||||||||||||||
Summary | |||||||||||||||||||||||||
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