Eupatorium perfoliatum 【医】 贯叶佩兰
eupatorium perfoliatum[ noun ]
perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine
<noun.plant>
Boneset \Bone"set`\, n. (Bot.)
A medicinal plant, the thoroughwort ({Eupatorium
perfoliatum}). Its properties are diaphoretic and tonic.