What is another word for common evening primrose?
Pronunciation: [kˈɒmən ˈiːvnɪŋ pɹˈɪmɹə͡ʊz] (IPA) 
The common evening primrose is also called sundrops or night willow-herb. It is a yellow-flowered, herbaceous plant that belongs to the Onagraceae family. In addition to the aforementioned names, it is called fever plant, King's cure-all, Spanish bayonet, butter rose, and tree primrose. The plant is widely distributed across North America and Europe, and has important medicinal properties. Its oil is used in making skincare products and herbal supplements, while its roots and leaves are used in traditional medicine for treating a range of ailments. Its bright yellow flowers bloom at night, hence the name night willow-herb.
