Pileostegia viburnoides var. parviflora Oliv. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Cornales family Hydrangeaceae genus Hydrangea species Hydrangea viburnoides Name Homonyms Pileostegia viburnoides var. parviflora Oliv. ex Maxim. Pileostegia viburnoides var. parviflora Oliv.