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植物分类检索 ,一般以花、果等生殖器官特征为主要依据 ,这是因为生殖器官特征表现稳定 ,不会随着环境条件改变而改变 ,检索结果准确可靠。然而 ,在生产实际以及教学过程中 ,植物开花结果的时间毕竟很短 ,甚至不见开花结果 ,大多数植物在大多数时间里均处于营养期 ,这就给植物
Classification of plants, the general flower, fruit and other reproductive organs as the main basis for reproductive organs, which is characterized by stable, will not change as environmental conditions change, the retrieval results are accurate and reliable. However, in the production practice and teaching process, the flowering result of plants after all is very short or even no flowering. Most plants are in vegetative state most of the time, which gives plants