《消化道多发性息肉治验一例报告》一文发表后,多承读者关心,来信询问“地栗”系何药?有何异名,是否因地区不同而其名有异?现答复于下: 《本草纲目》:乌萸。异名:凫茈,荸荠,黑三棱,芍,地栗《中药学》:荸荠。异名:乌萸,地栗。本品为莎草科植物乌萸的地下球茎。生在池沼或栽培于水田中,呈扁球形,外皮紫褐色,有明显环节,节上有黄褐色膜质鳞叶,顶端有锥形的嫩芽,旁边常有侧芽,质脆,内部 After the publication of “A case report on the management of multiple polyps in the digestive tract”, many readers were concerned. The letter asked about “Di Li”. What is the different name? Is it different according to the region? The answer is as follows: “Compendium of Materia Medica”: Wuyi. Synonyms: 凫茈, 荸荠, black trigonal, 芍, to chestnut “Chinese medicine”: 荸荠. Synonyms: Ukrainian, chestnut. This product is the underground bulb of Cyperaceae plant black locust. Born in pond or cultivated in paddy field, it is flat and spherical, and the skin is purple-brown. There are obvious links. There are yellow-brown membranous scaly leaves on the section, and the tip has conical buds. There are often lateral buds next to it, crisp and internal.