tinker's weed

noun

1. horse gentian.

noun

1. any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.

noun

1. any caprifoliaceous plant of the genus Triosteum, of Asia and North America, having small purplish-brown flowersAlso called: feverwort