[概况]知母(Anemarrhena asphodjeIoides Bunge)为常用中药,系百合科植物,知母的根状茎入药,性能有:清热除烦,滋肾润燥,止咳消痰。产于华北、东北各省,以河北易县知母最为有名。[生长习性]知母适应性强,耐塞,耐旱,多野生于山地向阳坡地,栽培以土壤肥沃,排水良好的砂质壤土为好。上海地区栽培的越冬知母,3月开始生长,6月上中旬开花结果,7月下旬种子陆续成熟,秋季遇霜地上部分枯萎。播种后2～3年,根茎一般可 [Overview] Anemarrhena asphodjeIoides Bunge is commonly used traditional Chinese medicine, the Department of Rhizome of Liliaceae, Anemarrhena into the drug, performance: heat Chufan, Zishen Runzao, cough phlegm. Produced in North China, northeastern provinces, with the most famous Yi County, Hebei Anemarrhena. [Growing habits] Anemarrhenae is adaptable, resistant to plugs, drought, and more wild to the sunny slopes of the mountains. It is better to cultivate sandy loam with good soil and good drainage. Shanghai winter avenger cultivated in Shanghai, began to grow in March, the flowering results in mid-June, the seeds mature in late July, autumn frost frost on the ground partially. 2 to 3 years after sowing, rhizomes are generally available