Haixianhua is a perennial herbaceous plant in the Primulaceae family, belonging to the Haixianhua genus. Sea Fairy Flower reaches a height of 5 meters; Small branches thick, hairless or nearly hairy; Leaves opposite, broadly elliptical to ovate, with fine blunt serrations; The inflorescence grows in the axils or tips of lateral branches; Bract linear; The corolla is bell shaped and funnel-shaped, with light red or yellowish white flowers that later turn dark red or purple; Capsule cylindrical shape; The flowering period is from May to June; The fruiting period is from September to October. Haixianhua is produced in East China and is cultivated in Qingdao, Shandong, Nanjing, Shanghai, Zhejiang, Shaanxi, and Guangzhou, Guangdong; Likes light, slightly shade tolerant, relatively cold resistant, prefers thick and moist soil.