にっこうきすげMeaningsNoun1. day lily (Hemerocallis dumortierii); orange-yellow day lily; Nikko day lily (Usually kana)Other spellings日にっ光こう黄き菅すげUsually written in kanaOther readingsニッコウキスゲKanji in other spellings日sun光ray黄yellow菅sedge (a type of plant)Pitch accentにっこうきすげにっこうきすげ