noun
telegraph plant; semaphore plant; dancing plant
A plant (Codariocalyx motorius) known for its leaflets that move visibly, especially in response to sound or light.
舞萩は、音に反応して葉が動くことで知られている。
The telegraph plant is known for its leaves moving in response to sound.
The name 舞萩 (まいはぎ) literally means 'dancing bush clover', referring to the plant's moving leaflets. The derivation is straightforward from the kanji components.