A vegetable that looks like leek. Its leaves are very small. What's it called?

Juncus Juncus originated in Japan and was introduced to Fujian, Chinese mainland. Now it is mainly concentrated in Chefang Town, Suzhou City, Jiangsu Province, Ningbo City, Zhejiang Province, Anhui Province and other places. The growth of Juncus Juncus is closely related to the land climate. The climate in the middle and lower reaches of the Yangtze River is warm and rainy, which plays a great role in the growth of Juncus Juncus. Juncus here is thin and long, and its texture is hard and tough.

The central pith of Juncus Juncus stem is composed of numerous white porous and loose stellate cells, also known as sponge tissue. All kinds of products woven by Juncus Juncus have the functions of air permeability, moisture absorption and cooling, especially the stem of Juncus Juncus has the function of regulating dry and wet. It can maintain moderate dryness in summer, making people's skin feel unusually comfortable, and it has good warmth retention performance in winter. Therefore, Juncus woven fabric has become an indispensable household item in people's daily life, and it is also a unique indoor fashion decoration, which is deeply loved by consumers.