Alfalfa is a perennial flowering plant. One of the most famous is alfalfa, which is the feed for livestock. Annual or perennial herbs. Stems erect or spread. Compound leaves, with 3 leaflets, fine teeth on the upper edge of leaflets, stipules attached to the base of petiole. Flowers are small, yellow or purple, in short racemes or heads, axillary. The calyx teeth are nearly equal in length, the flag petal is oblong or obovate, and the stamen is (9)+ 1.
Four-leaf clover, sunny, moist and strong vitality, can grow new plants by cutting off a section of planting; In the evening, the four leaves meet and open again before sunrise the next day. It seems that they understand human nature. After potted for a period of time, the four-leaf clover will change, and its growth is not as good as that before potted, and the leaves become sparse and small, and the fertilization effect is small; If it is found that the above situation may be that there are insects in the potted soil (which may be white), it is recommended to change the soil, otherwise it may die! It is best to plant it in the wild, but it is difficult to plant it! Four-leaf clover, annual plant, annual cycle; It withers from July to September every year, and clover has seeds, which can grow new seedlings in suitable environment, while clover has no seeds and can only be found in10 million traditional clovers. Even if it is found, it is hard to avoid her departure, and her preciousness is here.
As for many shops in Japan, four-leaf clover is used as the store name or as the background of comics. Even Qiong Yao, a famous writer in Taiwan Province, once published the novel Lucky Grass. This shows that the story about the three-dimensional style has been widely circulated and has a long historical background.
Four-leaf clover is a rare variety of clover (including clover and alfalfa), and it also has more than 5 leaves, up to 18.
In the west, finding a four-leaf clover is considered lucky, but in Japan, it is considered happy, so it is also called lucky clover. Four-leaf clover is given these meanings because it is very rare.