ブラシノキalso: ブラシのきブラシノキMeanings1expression, nounbottlebrush (plant)usually written using kana aloneRefers to the Callistemon genus, especially Callistemon speciosus. Named for its brush-like flower spikes.公こう園えんに赤あかいブラシノキが咲さいている。Red bottlebrushes are blooming in the park.