Arum gratum Schott Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Syn. Aroid.: 11 (1856) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Araceae genus Arum species Arum gratum Name Synonyms Arum melanopus Boiss. Arum orientale subsp. gratum (Schott) Engl. Arum orientale var. gratum (Schott) Engl. Homonyms Arum gratum Schott