1) Class 2) Subclass liliidae 
Liliidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used (there are many such systems); the only requirement being that it includes the family Liliaceae. ==Liliidae in Takhtajan system== The Takhtajan system treats this as one of six subclasses within class Liliopsida (= m...
(from the article `angiosperm`) ...(banana), Lowiaceae, Zingiberaceae (ginger), Costaceae, Cannaceae (canna), and Marantaceae (prayer plant). (See the article Zingiberales.)Subclass ...
[n] - one of four subclasses or superorders of Monocotyledones
subclass Liliidae noun one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae; Alliaceae; Amaryllidaceae; Iridaceae; Orchidaceae; Trilliaceae