Philadelphus delavayi var. melanocalyx Lemoine Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Cornales family Hydrangeaceae genus Philadelphus species Philadelphus delavayi Name Homonyms Philadelphus delavayi f. melanocalyx (Lemoine ex L.Henry) Rehder Philadelphus delavayi var. melanocalyx Lemoine ex L.Henry Philadelphus delavayi var. melanocalyx Lemoine