1. (noun) coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers

• feverroot
• horse gentian
• tinker's root
• triostium perfoliatum

1. (noun) coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers

• genus triostium
• triostium

1. (noun) coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers

• herb
• herbaceous plant