セイヨウアジサイ

noun

Western hydrangea; Hydrangea macrophylla

Common ornamental shrub with large rounded flower clusters; often called 'hortensia' in some regions. The Japanese native hydrangea is 紫陽花 (あじさい), but セイヨウアジサイ specifically refers to the Western species.

• 庭にわにセイヨウアジサイが咲さいている。

  Western hydrangeas are blooming in the garden.

• セイヨウアジサイは土つちの酸さん度どで花はなの色いろが変かわる。

  The flower color of Western hydrangeas changes depending on soil acidity.