Four-leaf clover leaves are papery, oblong-lanceolate, smaller at the lower part, short or tapering at the top, tapering at the base, and covered with fine and dense bristles on both sides. Four-leaf clover is a kind of plant in Leguminosae, also called Ramavin and cymbals. Its varieties are white clover, red clover and crimson clover. The seeds of four-leaf clover are usually sown in spring or autumn, and their seeds are powdery.
Four-leaf clover originated in temperate regions of Europe and Asia and was cultivated in the late19th century. It is distributed in Sichuan, Guizhou, Guangxi, Hubei, Jiangsu, Fujian, Hebei, Xinjiang and Gansu (mainly in Longnan mountainous area).
Common four-leaf clover varieties
Crimson clover: also known as Trifolium repens, originated in Europe, distributed in northeast Europe and North America, and widely introduced and cultivated in Huaibei and south of the Yangtze River in China. It can be used as pasture, ground cover or green manure, and can also be used as idle crops.
White clover: It is a leguminous plant. Its nodules can carry out biological nitrogen fixation and increase soil fertility, so it is an excellent green manure. It is often planted in orchards and tea gardens to improve soil quality and reduce the amount of chemical fertilizer.
Red clover: a short-term perennial leguminous grass with an average life span of 2-4 years. The stems are hollow and round, erect or oblique, with branches of about 10~ 15, and the height is 60~ 100cm. Sexual preference for warm and humid climate, the optimum growth temperature is 15~25℃, and it is suitable for growing in places with annual precipitation of 600 ~ 800 mm.