noun
common bistort; Persicaria bistorta
A perennial herbaceous plant native to Japan, often found in mountainous regions. The name literally means 'Ibuki tiger's tail', referring to its flower spike.
イブキトラノオは初夏にピンク色の花穂をつける。
Common bistort produces pink flower spikes in early summer.
伊吹山でイブキトラノオの群落を見つけた。
I found a colony of common bistort on Mount Ibuki.
The name イブキトラノオ literally means 'Ibuki tiger's tail', from 伊吹 (Ibuki, a mountain in Shiga Prefecture) + 虎の尾 (tiger's tail), referring to the shape of the flower spike. The plant is native to Japan.