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.
Common bistort produces pink flower spikes in early summer.
I found a colony of common bistort on Mount Ibuki.
Katakana spelling is standard for this plant name.
Full kanji spelling; rarely used. The plant name is normally written in kana.
Abbreviated kanji spelling; rarely used.
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.