hydrangea
/haɪˈdreɪndʒə/noun
1- a shrub or climbing plant with rounded or flattened flowering heads of small florets,native to Asia and America绣球属植物。
1.1
- 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, 尤指普通绣球（拉丁名H. macrophylla）, 花多蓝色, 但在碱性土壤常为粉红色。
词源
modern Latin, from Greek hudro- 'water'+angeion 'vessel' (from the cup shape of its seed capsule).