1, its stems are fleshy, spherical, columnar or flat, with joints and branches, and there are special spines arranged spirally on the stems, on which thorns, hairs, glands or hooked hairs and flowers are planted.
2. Flowers are usually bisexual, with radial symmetry or bilateral symmetry, and there are obvious differences between calyx and petals. Stamens are numerous, many of them are located in the throat of flowers, the ovary is superior, and the ovules are numerous.
3, like strong light, resistant to heat, drought, barren, tenacious vitality, and the suitable growth temperature is 20-30℃. Mainly distributed in tropical or subtropical arid areas such as the southern United States, the southeastern coast of the United States, and the West Indies.
4. Most of them grow in the desert, and some of them are cylindrical, with a height of more than 10 meter and a weight of 20,000 to 30,000 Jin. Some prickly cactus have a life span of more than 500 years and can grow into giant balls with a diameter of two or three meters.
5. In the dry season, you can go into a dormant state without eating or drinking, and reduce the consumption of nutrients and water in the body to a minimum. When the rainy season comes, it wakes up sensitively, and the roots immediately become active, absorbing a lot of water, making the plants grow rapidly and blossom and bear fruit quickly.
6. Cactus separated from the mother plant can also reproduce asexually, and can survive for five or six years without water or soil.
7. Cactus is a cactus belonging to Cactus, which is native to Mexico, the United States, the West Indies, Bermuda and northern South America. It was introduced to China in the late Ming Dynasty and is commonly cultivated in the southern coastal areas.
8. Cactus likes light and is drought-tolerant. It is suitable for growing in neutral and slightly alkaline soil. It is usually planted as a fence. The stems are used for medicine, and the berries are sweet and sour.
9. Cactus fruit is sweet, fresh and juicy, and it is mainly eaten fresh. In Mexico and other places, fresh fruit is also processed into canned or alcoholic drinks, and honey and fresh milk ice cubes can also be added to make juice, which makes ice cream more delicious.
10, cactus grows piece by piece. Every piece is hard, fat and thick, like a dark green palm.