Arum gracile Unverr., 1854 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Araceae genus Arum species Arum cylindraceum Name Homonyms Arum gracile Roxb. Arum gracile Unverr. ex Bielz Arum gracile Unverr., 1854 Arum gracile Unverr. ex Schott