龙船花又名英丹,俗名水绣球,属茜草科常绿小灌木。原产我国南部,广西南部有野生分布。它株高1—2米,叶对生,几无柄,薄革质,长椭圆形或倒卵长椭圆形。每年3—12月均有花开,但以夏秋为盛期。每个花序从初开到凋谢可维持一个多月。花后结成浆果,似球 Dragon Boat Flower, also known as Ying Dan, commonly known as Hydrangea, Rubiaceae is an evergreen shrub. Native southern China, southern Guangxi have wild distribution. It is 1-2 meters tall, leaves opposite, few sessile, thinly leathery, oblong or obovate-oblong. From March to December every year flowers bloom, but the summer is the peak. Each inflorescence can be maintained for more than a month from the beginning to the fade. Flower after the formation of berries, like a ball