Rhododendron stenopetalum (Hogg) Mabb. Dataset GRIN Taxonomy Rank SPECIES Published in Feddes Repert. 101:270. 1990 Classification kingdom Plantae family Ericaceae genus Rhododendron species Rhododendron stenopetalum Name Synonyms Azalea macrosepala (Maxim.) K.Koch Azalea stenopetala Hogg Rhododendron linearifolium Siebold & Zucc. Rhododendron linearifolium var. macrosepalum (Maxim.) Makino Rhododendron macrosepalum Maxim. Homonyms Rhododendron stenopetalum (Hogg) Mabb.