玉竹又称萎蕤,为百合科植物,Polygonatwn japoniconicun Morr.et Deche.的根莖。我国各地均有分佈,辽宁地区产量甚大,除滿足省內需用外,並大量供应省外及出口的需要。現將其植物、生药、商品等方面的情况,加以研究介紹,以供鑑別真伪和質量的参考。一、植物形态玉竹为多年生草本,生于山地林下。地下莖横走, Polygonatum oleracea, also known as wilting, is the root of the Liliaceae plant, Polygonatwn japoniconicun Morr.et Deche. All parts of our country are distributed, and the output in Liaoning is very large. Apart from satisfying the needs of the province, it also supplies a large number of needs outside the province and export. Now the situation of its plants, crude drugs, commodities, etc., will be studied and introduced for reference in authenticating the authenticity and quality. First, the plant morphology Yuzhu is a perennial herb, was born in the mountain forest. Underground stems