garden loosestrife, more...
[Lysimachia punctata var. verticillata L., more]
Etymology: Lysimachia: probably for Greek king Lysimachus or maybe from Greek lysis for "a release from" and mache for "fighting or strife"
Plants: erect, perennial, to 3' tall forb, rarely branched, hairy; roots long, creeping on or near the surface of the ground
Leaves: usually in whorls of 3 or 4, occasionally only opposite, lance-like, dotted
Flowers: 5-parted, 1"-1 1/4" wide, stalks 1/3"-3/4" long; solitary from the leaf whorl's axils
Conservation Status: Introduced - rarely escaped