what does Eupatorium perfoliatum mean?

EUPATORIUM PERFOLIATUM as NOUN

Meaning
- perennial herb of southeastern United States having white-rayed flower heads
- formerly used as in folk medicine
Synonym(s)
- agueweed (what does agueweed mean?)
- boneset (what does boneset mean?)
- thoroughwort (what does thoroughwort mean?)
Hypernyms(s) Eupatorium perfoliatum is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- herb (what does herb mean?)
- herbaceous plant (what does herbaceous plant mean?)