金雀花别名锦鸡儿,它与合欢、紫藤同属豆科,是落叶小灌木,茎高1～2米。小枝黄褐色,有棱角,细长,老枝光滑。托叶三角形,硬化成针刺状;叶轴脱落或宿存变成刺状;小叶4片,两两成对,上面一对通常较大,倒卵形或矩圆状倒卵形,先端圆或微凹,有针头,无毛。凌春开花,单生,花梗中部有节;钟状花萼,基 Baguette alias Caragana, it and Acacia, wisteria are both leguminous, is a deciduous shrub, stem height 1 to 2 meters. Branchlets yellow-brown, angular, slender, old branches smooth. Stipules triangular, hardened into acupuncture; leaf shaft detached or persistent into thorns; leaflets 4 pieces, paired in pairs, upper one usually larger, obovate or oblong-obovate, apex rounded or slightly concave, A needle, no hair. Ling Chun flowering, solitary, pedicel central section; bell-shaped flower bud, base