叶用芥菜别名春菜。为十字花科芸薹属,一年生或二年生草本植物,其根系浅,须根多,茎短缩, 叶长椭圆形或长倒卵形,叶面平滑或皱缩,叶缘有锯齿或深裂,幼时有粗毛,中肋宽,扁平或近圆形, 复总状花序,花冠黄色,种子圆形或椭圆形,红褐色或褐色。芥菜原产我国,在我国长江以南地区普遍栽培。广州地区已有千年以上栽培历史,以叶用芥 Leaf mustard alias spring vegetables. Cruciferae brassica, annual or biennial herbs, the roots of shallow, fibrous roots, stem shortened, oblong or long obovate leaves, smooth or wrinkled leaves, serrated leaves or deep fissure, when young Shaggy, medium ribbed, flattened or suborbicular, compound racemose, corolla yellow, seed round or oval, reddish brown or brown. Mustard origin in China, in our country south of the Yangtze River cultivation generally. Guangzhou area has more than a thousand years of cultivation history, mustard leaves