noun
cutleaf coneflower; greenhead coneflower
A flowering plant (Rudbeckia laciniata) native to North America, naturalized in Japan. Often written in katakana.
オオハンゴンソウは夏に黄色い花を咲かせます。
Cutleaf coneflowers bloom with yellow flowers in summer.
The Japanese name オオハンゴンソウ (大反魂草) literally means 'large 反魂草 (hangingon-sō)', referring to a related plant. The exact derivation of 反魂草 is uncertain, but it may be associated with traditional medicinal uses.