1. Stems: The stems of orchids are pseudobulb, which are mostly ovoid, oval and spindle-shaped.

2. Leaves: Leaves grow from the base of pseudobulb, generally in the form of strips, and some are oblanceolate and narrowly oval.

3. Flowers: The difference between petals and calyx of orchids is not obvious, and * * * has two rounds. Among them, there are three inner wheels, and the lower one is a lip, which is larger than the other two. Stamens, pistils and stigmas are synthesized into pistils, which is a major feature of orchids.

Second, maintenance methods

1. Lighting: The lighting of orchids needs special attention. In addition to proper shading in high temperature period in spring and summer, half sunshine in autumn and full sunshine in winter, it is also necessary to properly turn the basin so that it can receive light on all sides.

2. Watering: Orchids should not be watered too much. It is best to keep the soil slightly dry, and long-term humidity is not good for its growth. Generally, water is poured from the edge of the basin, and the time can be selected in the early morning or evening. In dry season, it can be sprayed properly to ensure that the leaves are moist.

3. Fertilization: Fertilization of orchids should be less than more. Pot soil should not choose too fertile soil as substrate. Generally, in spring and autumn, fertilization can be done once every two to three weeks, and the time should be chosen in the evening and watered the next morning.

Third, picture appreciation