Elsholchiaketone - Elsholchiaketone

...The inflorescence is covered with oblate bracts, and the flowers emerge from between the bracts. The corolla is tubular with hairs at the tip, and four stamens protrude from the outside. It contains essential oils called elsholtziaketone and naginataketone, and the leaves and stems give off a strong fragrance when crushed. The whole plant is dried during the flowering season and is called koujiyu, and is sometimes used medicinally as an antipyretic and diuretic. ...

*Some of the terminology explanations that mention "Elshorthi Aketone" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…花穂は扁円形の苞で覆われ，花は苞の間から出て，花冠は筒状で先端部に毛があり，4本のおしべが外につき出す。エルショルチアケトンelsholtziaketoneやナギナタケトンnaginataketoneという精油を含んでおり，葉や茎をもむと強い芳香がある。花期に全草を干したものを香薷（こうじゆ）といって，解熱，利尿剤など薬用にすることがある。…

※「エルショルチアケトン」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報