Viola arborescens Loefl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Violaceae genus Calyptrion species Calyptrion arboreum Name Homonyms Viola arborescens L. Viola arborescens Loefl. ex Ging. Viola arborescens Loefl.