Northern Prairie Wildlife Research Center
Moneywort Loosestrife (Lysimachia nummularia)
- Family: Primrose (Primulaceae)
- Flowering: May-August.
- Field Marks: This species creeps along the ground and has nearly spherical, opposite leaves.
- Habitat: Wet soil along streams, around ponds, and in roadside ditches.
- Habit: Perennial herb, rooting at the nodes.
- Stems: Creeping, smooth, up to 2 feet long.
- Leaves: Opposite, simple, spherical to ovate, rounded at each end, smooth, sometimes evergreen, up to 1 1/2 inches long, usually as broad.
- Flowers: Solitary in the axils of the leaves, yellow, up to 1 inch across.
- Sepals: 5, green, united at the base, up to 1/3 inch long.
- Petals: 5, yellow, usually black-speckled, united at base.
- Stamens: 5, united into a tube.
- Pistils: Ovary superior.
- Fruits: Usually not formed.
Previous Species -- Lanceleaf Loosestrife (Lysimachia lanceolata)
Return to Species List -- Group 7
Next Species -- Water Loosestrife (Lysimachia thyrsiflora)