lysimachia quadrifolia

[IsobelHaups]

common North American yellow-flowered plant

[Emorynaseaps]

Lysimachia quadrifolia, commonly known as whorled loosestrife or four-leaf loosestrife, is a species of flowering plant in the family Primulaceae. It is native to North America where it grows in moist forests, meadows, and other habitats. This perennial herb features yellow, star-shaped flowers, standing erect with leaves arranged in whorls of 4 or 5 along its stem. Its vertical stems can reach up to 80 cm tall.