The filaments of the root are part of the transport tissue.

The root's conductive tissues are conduits that are used to transport water, organic matter, and inorganic salts. To grow, plants need tissues that transport water and nutrients, which are called ducts and tubules. They are well connected in the plant body, in the leaves, stems, flowers, fruits and other organs like blood vessels in the animal body as unimpeded. Lotus root filaments are not only found in the lotus root, in the lotus stalk, lotus seedpods are there.

But more slender. For example, pick a lotus stalk, as far as possible, it folded into a section of a section of the lift is like a long string of small green "lanterns" connected to these small green "lanterns", is this filament. Lotus root is also known as lotus root, because of its underground stem color white so also known as white stem. Jiangnan Jingshi Chen Zhitu "aria lotus" poem: "in the mud is not stained mud, white stems buried in the ground no one knows.

Vitality of red and green in the clear, do not wait for the wind to incense full of pool." Lotus root is also an important agricultural cash crop in the planting area. Lotus root for the water lily family plants. Lotus underground stems called lotus root, water lily plants, aquatic vegetables, shape fat with joints, inside the tubular holes, divided into safflower lotus root, white flower lotus root, hemp flower lotus root. Safflower lotus root is long and thin, the outer skin is tawny, rough, less water, not crisp; white lotus root is fat.

The appearance of the tender and smooth, silver-white, crisp and juicy flesh, sweet flavor; twisted lotus root pink, rough appearance, containing more starch. Currently lotus root is cultivated in all provinces of China, and there are two varieties of lotus root, namely, seven-hole lotus root and nine-hole lotus root.

Shandong Province, Hebei Province, Henan Province, more cultivated around the nine-hole lotus root, the variety of good texture, its rhizome thick and strong, tender flesh, crisp and sweet, white and flawless, people love to eat it.