louse.wort

n.（名詞）
Any of numerous plants of the genusPedicularis, having clusters of irregular, variously colored flowers. Also called wood betony
馬先蒿植物：一種馬先蒿屬 植物，有一簇簇不規(guī)則，不同顏色的花 也作 wood betony

來源：
[From the belief that sheep feeding on it were prone to lice]
[由一種認為羊食后會受害蟲所害的迷信而來]