- 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.
Origin of horse gentian
An Americanism dating back to 1835–45
Also called tinker's weed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any caprifoliaceous plant of the genus Triosteum, of Asia and North America, having small purplish-brown flowersAlso called: feverwort