bistort
/ˈbɪstɔːt/noun
1- a Eurasian herbaceous plant with a spike of flesh-coloured flowers and a twisted root拳参。
1.1
- Genus Polygonum, family Polygonaceae: several species, in particular P. bistorta.蓼属, 蓼科：数种, 尤指拳参。
词源
early 16th cent.: from French bistorte or medieval Latin bistorta, from bis 'twice' + torta （feminine past participle of torquere 'to twist'）.