Lysimachia punctata L.

Erect, to 1 m, rarely branched, pubescent, spreading by stoloniform rhizomes; lvs chiefly in whorls of 3 or 4, occasionally only opposite, punctate, lanceolate, 5–10 cm; fls in axillary whorls, usually more numerous than the subtending lvs, the uppermost whorls with smaller lvs and shorter internodes; pedicels 1–2 cm; cal-lobes lance-linear, 5–8 mm; cor-lobes 12–16 mm, glandular-ciliolate on the margins; 2n=30. Native of Eurasia, now an occasional weed in our range, especially northward.

Usually found near water, in ditches, swamps, bogs and marshes; at elevations up to 1,600 metres.

Can be grown by seedlings.