Lobelia is a plant of the Oleaceae family, also known as wild willow, small red hemp, Ze Lachemia hemp, red hemp, wild hemp, camellia flowers, goat's belly pulling horns and so on. Dry leaves for medicinal use. It has the effects of clearing heat, inducing diuresis, lowering blood pressure, calming the liver, extinguishing wind, and tranquilizing the mind. The main treatment of hypertension, heart disease, vertigo, palpitations, insomnia, neurasthenia, carbuncle convulsions, nephritis edema, hepatitis bloating, post-concussion syndrome, and can prevent and control colds.

Modern pharmacological research, rooibos leaves containing rue glucoside, catechin, anthraquinone, potassium chloride and a variety of amino acids, has a certain antihypertensive effect; rooibos root containing rooiboside and other alkaloids have a strong cardiac effect. Robur hemp stem skin tough, for good wild plant fiber raw materials, "the king of wild fibers," the reputation of its fiber fineness, strength, luster, corrosion resistance and other properties, are better than other hemp fibers and natural fibers. Robust fabrics, through long-term, full contact with the body, so that its active ingredients through the skin penetration and absorbed by the body, can play the effect of lowering blood pressure and adjusting the function of the body, hypertension, high blood pressure, high blood cholesterol, coronary heart disease, asthma and other patients with a certain degree of adjuvant therapy.

Mainly produced in Xinjiang, Qinghai, Ningxia, Liaoning, Jilin, Inner Mongolia, Gansu, Shaanxi, Shanxi, Shandong, Henan, Hebei, Jiangsu and Anhui (Huaibei area) and other provinces and autonomous regions.