Rhododendron obscurum Franch. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ericales family Ericaceae genus Rhododendron species Rhododendron siderophyllum Name Homonyms Rhododendron obscurum Sleumer Rhododendron obscurum Franch. ex Balf.fil. Rhododendron obscurum Franch.