1. 北米産のリアトリス属の各種の植物の総称で、小型の円盤状の頭花が総状花序または円錐花序につく(any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads)
2. ウマノミツバ属の植物で掌状の複葉を持ち雌雄異花が円錐散形花序をなし、その後剛毛の多い果実をつける(a plant of the genus Sanicula having palmately compound leaves and unisexual flowers in panicled umbels followed by bristly fruit)