noun
touch-me-not; jewelweed
Refers to the plant Impatiens textori, known for its explosive seed pods. The name comes from the flower shape resembling a hanging boat (釣船).
ツリフネソウは湿った場所に生える。
Touch-me-nots grow in damp places.
ツリフネソウの実は触ると弾ける
The seed pods of the touch-me-not burst open when touched.
ホウセンカ (Impatiens balsamina) is a related species often grown as an ornamental garden plant, while ツリフネソウ is a wild species.
The name ツリフネソウ (釣船草) literally means 'fishing boat grass', referring to the flower's shape which resembles a hanging boat. The exact historical derivation is uncertain.