liliaceous
/ˌlɪlɪˈeɪʃəs
/adjective Botany
Relating to or denoting plants of the lily family (Liliaceae). These have elongated leaves which grow from a corm, bulb, or rhizome.
Origin
Mid 18th century: from modern Latin Liliaceae (plural), based on Latin lilium 'lily', + -ous.