''Triosteum angustifolium'', commonly known as yellowfruit horse-gentian, is a species of flowering plant belonging to the family Caprifoliaceae. It is found Eastern North America, primarily in Limestone regions.

References

Caprifoliaceae Plants described in 1753 Taxa named by Carl Linnaeus Flora of Eastern Canada Flora of the Northeastern United States Flora of the Southeastern United States Flora of the North-Central United States Flora of the South-Central United States Flora without expected TNC conservation status {{Dipsacales-stub