Hypericum triquetrifolium

{{short description|Species of flowering plant in the St John's wort family Hypericaceae}}

{{Speciesbox

|image = Hypericum_triquetrifolium.jpg

|image_caption =

|genus = Hypericum

|parent = Hypericum ser. Hypericum

|species = triquetrifolium

|authority = Turra

|range_map =

}}

Hypericum triquetrifolium, commonly called curled-leaved St. John's-wort, is a species of plant of the family Hypericaceae. It is native to the Mediterranean Basin.