Lysimachia nummularia moneywort; creeping jenny Primulaceae LYNU*; Bx, pb (DeCandido 2001); Q, wl; R (DeCandido 2001);

  

Lysimachia nummularia.commons.wikipedia.org

Lysimachia nummularia.commons.wikipedia.org. (Accessed 4/2014).

Lysimachia nummularia is a perennial herb, creeping, mat-forming, rooting at nodes. 

Leaves opposite, semi-evergreen, stalks 0.1-0.5 cm long (Radford et al. 1968), blade 1-2.5 cm long, rounded to broadly heart-shaped, surface sprinkled with tiny depressed dots. 

Flowers yellow, dotted with dark red, radially symmetrical, 2-3 cm wide, petal lobes 1-1.5 cm long, calyx lobes leaf-like to 0.8 cm long, sharply keeled, appearing winged in bud (Connecticut Wildflowers 2007); flowers solitary in leaf axils, stalks as long as leaves; blooms June-Aug. 

Wetland status: OBL. 

Frequency in NYC: Very infrequent. 

Origin: Europe. 

Habitat: Escaped from cultivation into moist sites; soil pH 5.6-7.5 (Dave’s Garden 2007). Tolerant of shade.

Notes: Has been used as a medicinal (Hough 1983). Listed as a noxious weed in CT and MA (USDA, NRCS 2006).Escaped plants often not blooming (Yatskievych 2006).