Hypericum boreale (Britton) E.P.Bicknell

Perennial from slender rhizomes, 1–4 dm, much-branched above; lvs sessile, elliptic, oblong, or oval, obtuse or rounded at both ends 3–5-nerved, the larger ones 1–2 cm, half or a third as wide; bracts like the cauline lvs but smaller; sep blunt, evidently shorter than the ellipsoid fr, this 3–5 mm, deep purple, unilocular; pet 2.5–3 mm; stamens 8–15; styles 3(4), under 1 mm; seeds 0.6–0.75 mm; 2n=16. Wet, sandy or mucky soil; Nf. and Que. to w. Ont., s. to Va., O., Ind., and n. Ill. July–Sept.

It is a subtropical plant.

The young leaves and shoots are mixed with other leafy vegetables and cooked.