Saussurea lappa (English spelling) Saussurealappa

...Name of herbal medicine. Botanically, the roots of various species are used under the name of "wood fragrance," including Saussurea lappa Clarke (Asteraceae), Aristolochia debilis Sieb.et Zucc. (green wood fragrance) (Aristolochiaceae), Vladimiria souliei (Franch.) Ling, V. denticulata Ling (river wood fragrance) (Asteraceae), and Inula belenium L. (earth wood fragrance) (Asteraceae). It contains essential oils, the main components of which are sesquiterpenes, as well as steroids and triterpenoids. ...

*Some of the terminology explanations that mention "Saussurea lappa" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…生薬名。キク科のSaussurea lappa Clarke(木香)をはじめ，ウマノスズクサ科のウマノスズクサAristolochia debilis Sieb.et Zucc.(青（せい）木香)，キク科のVladimiria souliei (Franch.) Ling,V.denticulata Ling(川（せん）木香)やInula belenium L.(土（ど）木香)など，植物学的にはさまざまな種の根が木香の名で利用される。精油を含み，主成分はセスキテルペンで，そのほかステロイド，トリテルペノイドも含有する。…

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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