园林植物配置（Garden plant configuration）.docVIP

园林植物配置（Garden plant configuration） Fourth, garden plant configuration Import With the acceleration of urbanization, the contradiction between the ecological environment and the peoples desire for green plants are becoming more and more urgent. As the only living infrastructure of the city, the urban garden has irreplaceable function in improving the ecological environment and improving the quality of the environment. At present, the city is like a raging fire of the national garden city to create work, but the overall concept of some units of the green, there is a common problem that is known only to plant trees, do not understand the configuration, landscaping and afforestation completely equate the charm of garden plant to make big discounts, not only make the city green city greening it also should be beautiful, so it is very important to green plant configuration. Today, I would like to pay attention to the collocation of garden plants. Two. Concepts and classifications of plants (1) as you know, plants can be divided into two groups: lower plants and higher plants according to the differences of plant morphology, structure perfection and living habits. Lower plants: the earliest group of ancient plants that appear on earth, mostly living in water or in a humid environment. Lower plants are divided into algae, fungi, plants and lichens. Higher plants evolved through a long period of evolution in some lower plants, which are more complex in shape, structure, and physiology as compared to lower plants because of their long-term adaptation to land life. Belonging to higher plants, including bryophytes, ferns and seed plants in three major categories. Seed plants can be divided into two major groups: gymnosperms and angiosperms. Gymnosperms are woody, mostly arboreal, mostly evergreen. China has cycads, ginkgo, pine, cypress, ephedra and so on. The ginkgo, metasequoia, yew is endemic to China gymnosperms. Scientists regard them as living fossils, and all countries i