Synonyms for Checkered Daffodil (same or very similar meaning)
WordNet sense 1 (Eurasian checkered lily with pendant flowers usually veined and checkered with purple or maroon on a pale ground and shaped like the bells carried by lepers in medieval times; widely grown as an ornamental):
snake's head fritillary, Fritillaria meleagris, guinea-hen flower, leper lilyFrom the ODE community, based on WordNetadd/edit