Root

the underground part of the body axis of a phytosipaedic plant (ferns and seed plants). Mainly solidified and absorbed, but also the synthesis and storage of
organic
, as well as the function of nutritional reproduction. The root does not grow leaves and flowers, although it is the same as the stem branch, but branching (side root) source is different. Algae and moss plants have no roots, most of the existing ferns, naked plants, bee plants, only the structure of the real roots. The top of the root, called the root tip, can generally be divided into the root crown, growth point, elongity area and root hair area 4
parts. Egan's occurrence and its source are generally divided into primary root (main root), secondary root (side root) and indeter setering root. The shape of the root is many, common are: beard- and conical, cylindrical, spindle-shaped, blocky, sptery, silky root and so on. Egan's life period is different, can be divided into
1
rooting,
2
rooting and multi-year rooting
3
categories. In human life, the roots of many plants have been widely used, such as sweet potatoes, bean potatoes, geto, cassava and other large roots, containing rich starch, for people to eat or industrial use. The root of radish and carrot is the vegetable that people often eat. The roots of beets are the industrial raw materials for sugar making. Ginseng, Wutou, licorice, ground yellow, wheat winter and other roots are well-known Chinese herbs.