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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Triosteum angustifolium

Triosteum angustifolium L.

Yellow-fruit Horse-gentian, Narrow-leaved Horse-gentian, Narrowleaf Horse-gentian

Caprifoliaceae (Honeysuckle Family)

Synonym(s): Triosteum angustifolium var. eamesii

USDA Symbol: TRAN3

USDA Native Status: L48 (N), CAN (N)

Triosteum angustifolium has yellow fruit and leaves up to two inches (5 cm) long.


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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Drupe
Size Notes: Up to about 30 inches tall.

Bloom Information

Bloom Color: Red , Yellow , Green
Bloom Time: Apr , May
Bloom Notes: Spotted petals.


USA: AL , AR , CT , DC , DE , GA , IL , IN , KS , KY , LA , MD , MO , MS , NC , NJ , NY , OH , OK , PA , RI , TN , TX , VA , WV
Canada: ON

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 78 - (2020) Missouri Native Plant Society
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Triosteum angustifolium in USDA Plants
FNA: Find Triosteum angustifolium in the Flora of North America (if available)
Google: Search Google for Triosteum angustifolium


Record Modified: 2023-05-30
Research By: TWC Staff

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