apatura iris(n = noun.animal) purple emperor - large European butterfly the male of which has wings shaded with purple;
is a kind of emperor, emperor butterfly

apatura, bearded iris, beardless iris, bulbous iris, dalmatian iris, dame jean iris murdoch, dutch iris, dwarf iris, english iris, florentine iris, genus apatura, genus iris, german iris, gladdon iris, iris, iris cristata, iris diaphragm, iris family, iris filifolia, iris florentina, iris foetidissima, iris germanica, iris germanica florentina, iris kaempferi, iris kochii, iris murdoch, iris pallida, iris persica, iris pseudacorus, iris scanning, iris tingitana, iris verna, iris versicolor, iris virginica, iris xiphioides, iris xiphium, japanese iris, persian iris, spanish iris, stinking iris, vernal iris, xiphium iris, yellow iris