Lysimachia hybrida Michx.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Primulaceae

• Scientific Name

  Lysimachia hybrida Michx.

• Description

  Species Description - Erect from a short, stout, freely rooting rhizome, to 1 m, the lateral branches usually numerous and exceeding the subtending lvs; principal lvs lance-linear to narrowly oblong or lance-ovate, 4–10 × 1–2 cm, flat, green beneath, tapering or more rounded to the base, the petiole ciliate mainly below the middle, sometimes with a few scattered cilia distally; cal-lobes thin, 4–8 mm, the midnerve and usually also the 2 or 4 lateral ones visible under a hand-lens; cor-lobes 6–10 × 4–10 mm; stamens distinct; staminodes triangular-ovate to subulate; fr 4–6.5 mm thick; 2n=34. Sloughs, wet woods, and wet prairies; Me. and s. Que. to Fla., irregularly w. to Alta., Wash., and Ariz., commonest along the Atlantic seaboard from Me. to Md., and in the upper Miss. Valley. Late June–Aug. (Steironema h.)

• Common Names

  Mississippi-valley loosestrife