The term Pimpernel is a reference to the fictional character of the Scarlet Pimpernel, created by Baroness Orczy in her 1905 novel of the same name. The crossword solution for this term is ANAGALLIS, which is a genus of flowering plants in the family Primulaceae. These plants are native to Europe, North Africa, and parts of Asia, and have been cultivated as ornamental garden plants since the 16th century.