In some systems this family was included in the Guttiferae or Clusiaceae. So it was in the “Check List of the Vascular Flora of Allegheny County,” but current botanical wisdom agrees with Gray in maintaining the Hypericaceae as a separate family.
St.-John’s-Wort (Hypericum perforatum).
The thick wad of stamens in the middle of the flower
is characteristic of St.-John’s-Worts, most of which
also have bright yellow flowers. The lush growth of
tidy opposite elliptical leaves makes this a handsome
plant, and it carries its flowers proudly.
Hypericum punctatum
Hypericum spathulatum
Hypericum mutilum
Hypericum virginicum