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中药白茅神农本草经列为中品,是清热、消瘀血、利小便的常用药。全国各地普遍分布,由于形态及生药与同科植物白草及光稃茅香类似,在陕西一些地方见有混淆的现象,为此我们作了调查研究,现介绍如下。1.白茅Imperata cylindrica(L.)Beauv.var.major(Nees)C.E.Hubb.ex Hubbard etVaughan(禾本科) 别名:甜草、毛草根。形态特征:多年生草本;具有细长带甜味的根茎。杆高20—80厘米,具2—3节。叶片线形或披针状线形。圆锥花序呈穗状,顶生,
Herbal Chinese Herbal Chinese Herbal Medicine is classified as a traditional Chinese medicine. It is a commonly used medicine for clearing heat, eliminating blood stasis, and reducing urination. It is widely distributed throughout the country. Due to the similarity in morphology and crude drug with the same plants, P. alba and G. purpurea, confusion has been observed in some places in Shaanxi. For this reason, we conducted investigations and studies and are presented below. 1. Imperata cylindrica (L.) Beauv.var.major (Nees) C.E.Hubb.ex Hubbard et Vaughan (Gramineae) Alias: sweet grass, hairy grass roots. Morphological characteristics: perennial herb; with long, sweet roots. Rods are 20-80 cm high and have 2-3 sections. Leaves linear or lanceolate. Panicles spikelike, terminal,