Samolus valerandi is a species of water pimpernel native to a very wide area across Europe, Africa, Asia, Australia, and the Americas. Common names include seaside brookweed, brookweed, thin-leaf brookweed, water cabbage, and water rose.
It is a small perennial, growing to around 35 cm (13.8 inches) high. Its inflorescence is a raceme, with small white flowers on long stalks. Its corollas have five lobes. It can produce flowers throughout the growing season, from spring to fall. Its fruits are capsules ...