Distributed in Korea, Indochina, the Philippines, Indonesia, India, Taiwan, Japan and mainland China's south, northwest, east, central, north, southwest and other places, growing at an altitude of 100 meters to 3,750 meters in the area, and more growth at low altitude on dry and wet meadows, are yet to artificial introduction and cultivation. Biennial herb, 10-15 cm high. Stems erect, dense white woolly. Leaves alternate, oblanceolate or spatulate, 2-7 cm long, base extension, both sides have a gray cotton wool. Born dense capitulum of branches, bracts three, golden yellow, yellow flowers, the external female. Central bisexual flowers, achenes crested, yellow and white.
Compositae rat yeast grass grass. It stems from 15 to 40 centimeters high, the body wrapped in white pubescence, mainly grown in the plains and low altitudes"Rat yeast grass Uses" edible parts: leaves, tender shoots and flowers Usage: After water hot for cooking rice or dried grass cake, medicinal: a cough, sputum cowardly medicine can cure asthma, hypertension, ulcers and bronchial go far. For cough, phlegm, wheezing embolism. Mouse yeast grass Huatanzhike power, whether cold or hot cough cough, can be applied. Such as cough, phlegm and no other symptoms, could single FDA decoction blindly, make mucus secretion and reduce the power play cough. Zhifei cold with cough, with Breit, Mustard Seed, Inula other compatibility; with treatment Hyperactivity cough, with Peucedanum, Melon, Zhuru, Tinglizi, Morus alba equated with. In addition, the product can also be used treatment of hypertension, antihypertensive effect.