Hello poster, I am happy to answer your question. Four-leaf clover is also known as clover (clover) and alfalfa, which means luck.

Plants similar to four-leaf clover include: sorrel, golden cauliflower, horse chestnut, and cat's-eye grass

Sortwort - Figure 1 Names of acidic grass, acidic acid grass, turtle dove acid, triangular, acid mimi, hook grass,

perennial herbs, all have sparse hair; The leaves are alternate, palmately compound, with 3 leaflets, inverted heart-shaped, and the leaflets are sessile. There are various flower colors, with red and yellow being the most common ones. It likes a sunny, warm and humid environment. It is suitable for semi-shade in hot summer areas. It has strong drought resistance and is not cold-tolerant. It can grow on ordinary garden soil, but it needs humus-rich soil. It grows vigorously on sandy loam soils, with a short period of dormancy in summer. The whole plant is used as medicine, which has the effects of clearing heat, detoxifying, reducing swelling and dispersing diseases.

Oxalis grows in hillside grass ponds, river valley banks, roadsides, field edges, wastelands or shady and moist places under forests, etc. It is distributed in China, temperate and subtropical Asia, Europe, the Mediterranean and North America.

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Golden cauliflower - Figure 2 is a leguminous plant. See it in Tao Hongjing's "Famous Doctors". Tender stems and leaves, also known as alfalfa, thorny alfalfa, and grass heads. The stems are flat or tilted and have compound leaves. They are harvested from August to the beginning of spring in March. They are wild and cultivated in various places. In Suzhou, Jiangsu and other places, the young seedlings are pickled as vegetables, called pickled golden cauliflower. A three-leaf vegetable, called alfalfa in ancient times, was originally eaten by horses. It is said that Zhang Qian brought it back from Dawan during his mission to the Western Regions. This is what Shanghai people call "caotou" today. This kind of wild vegetable is now gradually becoming a "garden vegetable". It can be fried and eaten, such as the "raw stir-fried grass head" in Shanghai restaurants.

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Aesculus - Figure 3 Perennial herb, 30 to 100 cm tall. Grows on hillsides, under forests, beside streams, and in moist places under shrubs. The underground rhizomes are horizontal, thick, yellow-brown, with oblique links and fibrous roots. Stem simple, hairless. There are 4 to 9 leaves, usually 7, whorled on the top of the stem; the leaves are long ovate. In spring and summer, a peduncle is drawn out from the center of the whorled leaves, and a flower grows on the top. The fruit matures in autumn; the gourd is spherical and contains many bright red seeds.

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Cat's Eye Grass - Picture 4 Alias: Euphorbia esula, rotten scar eye, magma grass, Latin name: Euphorbia esula L. It is Euphorbia esula L. It is a plant mainly produced in Liaoning, Jilin, Xinjiang, Inner Mongolia, Hebei, Shanxi and other places. The actual cat's eye grass is collected in summer and autumn, and the whole grass is cut and dried in the sun for later use. For raw use, fresh products are also used. It has anti-tumor effect and has antitussive effect on the cough caused by ammonia in mice; it has an expectorant effect using the mouse phenol red method, and animal experiments have shown that it has anti-inflammatory and diuretic effects. Taking too much fresh juice can cause numbness in the mouth and throat, stomach discomfort, vomiting, pain, diarrhea, and even dizziness. Direct contact with the skin and mucous membranes can cause irritation and redness.

The above information is referenced from Baidu Encyclopedia. I hope it will be helpful to the poster~