Syn.: Lysimachia greeneana Hand.-Mazz., Lysimachia longipedicellata (Lunell) Hand.-Mazz., Nummularia ciliata (L.) Kuntze, Steironema ciliatum (L.) Baudo
Family: Primulaceae Vent.
Distribution: Species of North America with range from eastern coast of the continent to British Columbia and Oregon; absent in the north, Madrean Region and Texas.
Ecology: Found in wet meadows and prairie, along water streams and roads, from sea level to 1300 m. Blooms in summer.
Description: Perennial herb, 20–130 cm tall; stem erect, simple or branched, hairless. Leaves opposite, broadly lanceolate to ovate-lanceolate, 4–15(–17) × 1.5–6.5 cm, smooth margins to wavy; stalks 6–20 mm long, fringed, with row of hairs on one side. Flowers solitary, borne in leaf axils, bright yellow, reddish at base, saucer-shaped, 1.5–2.5 cm across; sepals 5–6; petals 5–6, fringed; stamens 5–6 (5 small sterile stamens alternate with fertile stamens; pistil 1. Fruit an oval capsule, 4–7 mm across.
Note: Genus Lysimachia contains about 180 species found in temperate and subtropical regions of the Northern Hemisphere, however some species are found even in Africa, Australia and South America. The highest diversity occurs in Asia, only in China you can find up to 138 species.
These images were taken in Canada, Alberta, Calgary, Weaselhead Natural Environment Park (July 2012).
