a shrub or climbing plant with rounded or flattened flowering heads of small florets, native to Asia and America 绣球属植物
Genus Hydrangea, family Hydrangeaceae: many species, in particular the common hydrangea (H. macrophylla), with flowers that are typically blue, but often pink on alkaline soils 绣球属,绣球科: 多种,尤指绣球(拉丁名H. macrophylla),花多蓝色,但在碱性土壤常为粉红色
语源
modern Latin, from Greek hudro- 'water' + angeion 'vessel' (from the cup shape of its seed capsule)