Calystegia japonica f. angustifolia (Nakai) Makino Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Solanales family Convolvulaceae genus Calystegia species Calystegia pubescens Name Homonyms Calystegia japonica f. angustifolia (Nakai) Makino ex H.Hara Calystegia japonica f. angustifolia (Nakai) Makino