Ula grass, also known as indigo grass, is a plant of the family Sedgeaceae that grows mainly in the Changbai Mountains of northeast China and south of the Waixing'an Mountains (including Sakhalin Island).
Ula grass has the main functions of removing odor and odor, activating meridians, eliminating fatigue, improving blood microcirculation, and improving immunity. Ula grass, together with ginseng and mink, is called the Three Treasures of Northeast China.
Ula grass, with short rhizomes, forms a treadle. The stalks are tightly clustered, 20–50 cm high and 1–1.5 mm wide, slender, triform, hard, leafless at the base of the leaf sheath, tan, shiny, slightly lobed or fibrous. The leaves are shorter than or nearly equal to the length of the stalk, bristle-shaped, folded inwards, hard, and rough edges. The lowermost part of the bract is bristle-like, unsheathed, and the upper part is scaly.
Spikelets 2-3, proximal, apical 1 male, cylindrical, 1.5-2 cm long; lateral spikelets female, spherical or ovate, 0.5–1.2 cm long, about 5 mm wide, densely flowered; male scales black-brown or pale brown, blunt at the apex; , about 2.8–3.5 mm long, dark purple-black or reddish-brown, pale in the middle of the dorsal back, with 3 veins inconspicuous, with narrow white membranous margins
The fruit sac is equally long or slightly longer than the scales, ovate or oval, flattened triangular, 2.5–3 mm long, pale gray-green, densely covered with papillary protrusions, with 5–6 veins, slightly rounded at the base, with a short stalk, and the apex shrinks sharply into a columnar short beak with a full beak. The small nuts are tightly wrapped in the fruit sac, inverted oval, flat triangular, brown, 1.5-2 mm long, with a short stalk, the apex is rounded; the base of the peduncle is not expanded, with 3 stigmas; the flowering period is 6-7 months.
It is found in the swamps and is found in russia (Far East, Siberia), Mongolia, Korea, Japan and china in the humid regions of Liaoning, Heilongjiang, Jilin, Inner Mongolia, sichuan and other humid regions.
Ula grass its leaves are slender and soft, the fiber is tough, not easy to break, can be used as a straw shoes, grass mattress, artificial cotton, fiberboard, straw handicrafts, papermaking and other good materials, but also can be heated, can be used to fill in the tassel shoes.
Ula grass is a perennial herb that has the effect of keeping warm and cold, and it is very popular among the people in the mountains of northeast China. On the surface, Ula grass looks very ordinary, with slender stems and leaves, green, clusters of bushes, and green-brown flower spikes. However, for hundreds of years, this ordinary grass, closely related to the lives of the people in the Changbai Mountains, has become an indispensable necessity. In the autumn, people go to the mountains to cut the ula grass, dry it for storage, and put it in their shoes in the winter to avoid frostbite on their feet.
Insoles made of ula grass have a good health effect. If you need a Ula grass insoles, please leave a message at the bottom.