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