ˌhemərōˈkalə̇s noun
Usage: capitalized
Etymology: New Latin, from Greek hēmerokalles, a kind of lily, from hēmero- (from hēmera day) + -kalles (from kallos beauty); from the fact that the blossoms close at night — more at calli-
: a genus of Eurasian herbs of the family Liliaceae with fibrous fleshy roots, basal linear leaves, and showy flowers in small clusters on naked scapes