Sea Poppy is a colorful and attractive plant that adds beauty to coastal landscapes. However, there are various alternative names that describe this species of wildflower. One of the common synonyms often used for sea poppy is "yellow horned poppy" due to its characteristic long and twisted seed capsules. Another synonym is "sea daffodil" since its bright yellow petals resemble those of a daffodil. Other names for this plant include "hornpoppy", "California poppy" and "creeping sea poppy". These synonyms help to further describe and differentiate the various species of the sea poppy plant, which belong to the Papaveraceae family.