Sharp-leaved St. Johnswort
Hypericum virgatum Lamarck
Sharp-leaved St. Johnswort: https://marylandbiodiversity.com/species/2397
Synonyms
Hypericum acutifolium  Hypericum denticulatum var. acutifolium  Hypericum virgatum var. acutifolium 

Source: Wikipedia

Wikipedia content unavailable for this taxon.