紫陽花あじさい科かMeaningsNoun1. Hydrangeaceae (family comprising the hortensias (hydrangeas))Other readingsアジサイ科かKanji used紫purple陽sunshine花flower科departmentComposed of紫陽花あじさいbigleaf hydrangea (Hydrangea macrophylla); French hydrangeaNoun科かdepartment (of a university or hospital); course (of study); branch of study; specialization; familyNoun