liliidae: one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae; Alliaceae; Amaryllidaceae; Iridaceae; Orchidaceae; Trilliaceae
class: (biology) a taxonomic group containing one or more orders
telegraph plant: erect tropical Asian shrub whose small lateral leaflets rotate on their axes and jerk up and down under the influence of sunshine