lilium philadelphicum(n = noun.plant) wood lily - lily of eastern North America having orange to orange-red purple-spotted flowers;
is a kind of lily

genus lilium, lilium, lilium auratum, lilium canadense, lilium candidum, lilium catesbaei, lilium columbianum, lilium lancifolium, lilium longiflorum, lilium maritinum, lilium martagon, lilium michiganense, lilium pardalinum, lilium superbum