Eschscholtzia

Eschscholtzia, a genus of herbaceous plants belonging to the poppy family, natives of California, named after the German traveller and naturalist, Johann Friedrich Eschscholtz (1793-1831). The calyx is "calyptrate," coming off like cap; and there are four petals and an elongated siliqua-like pod of two carpels with parietal placentation. E. californica, the best-known species, has finely divided, glaucous leaves and yellow petals, orange at the base.