连翘(黄花条,黄链条),是多年生落叶灌木。枝条丛生开展,有着地生根的特性,小枝微四棱形,淡黄褐色,髓中空,叶对生,裂成3小叶,叶片卵形,边缘有锯齿。先开花后出叶,花冠4裂,黄色单生或数朵簇生于叶腋;蒴果窄卵形,先端尖,秋季成熟时两片裂;种子多数有翅。连翘生根性强,根系发达,可固坡治沟防止水土流失,是一种保持水土的优良灌木 Forsythia (yellow stripes, yellow chain), is perennial deciduous shrubs. Branches clumpy, with the characteristics of rooting, twig micro-four prism, light brown, medulla hollow, leaves opposite, split into three leaflets, leaf blade ovate, serrated edge. Leaves first after flowering, corolla 4-lobed, yellow solitary or several clusters born in leaf axils; capsules narrowly ovate, apex acute, two-lobed when mature in autumn; seeds mostly winged. Forsythia rooting strong, well-developed roots can be fixed slope to prevent soil erosion, is an excellent shrubs to maintain soil and water