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葎草的名字也许您很陌生,比起它的同属姐妹啤酒花,它的名气的确小了许多。但生来平凡普通的它作用可不平凡呢,特别是它适应性强、蔓延覆盖性强的特点,在绿化中不可小看。葎草(Humulus scandens)是桑科葎草属一年生蔓性草本,又名降龙草、五爪龙、拉拉藤。茎长3～5米;叶对生,掌状5～7裂,表面粗糙;雄花序圆锥形,腋生或顶生,长15～25厘米,花小、淡黄绿色;雌花序腋生,直径1厘米;瘦果扁球形,褐红色,直径3毫米。花期8～9月,果期9～10月。
The name of the grass may be strange to you, its fame is much smaller than its sister sibling. But born ordinary ordinary role it can be extraordinary, especially its adaptability, strong coverage of the characteristics of coverage, in the afforestation can not be underestimated. Humulus scandens is a annual creeping herb of the genus Morus. It is also known as Humulus scanns, the five-legged dragons, and the rattan. Stem length 3 to 5 meters; leaf opposite, palmately 5-7-lobed, surface rough; male inflorescences conical, axillary or terminal, 15-25 cm long, flowers small, yellowish green; female inflorescence axillary, diameter 1 Cm; achenes oblate, maroon, 3 mm in diam. Flowering from August to September, the fruit period from September to October.