The large loosestrife (Lythrum salicaria) is a 0.5 to 1 m high from perennial loosestrife family (Lythraceae). The species name salicaria means with leaves resembling a willow leaf.
The tall, upright, square stems are usually unbranched and have four in the running lengthways stripes. The 3-8 cm long, lanceolate to oval leaves in whorls at the bottom, crosswise to each other, but spread to the top.
The 1 to 1.6 cm wide flowers grow in whorls apparent from the axils of the upper leaves, each with four to six usually petals and twelve stamens. The reddish purple flowers are arranged in one to 35 cm long schijnaar. They are hermaphrodites. The flowering period is from late June to early September. The reddish purple flowers are trimorf: they come in three different forms, which also almost exclusively in stamens and pistil length differences.
The big loosestrife is host to kattenstaartdikpootbij. The tree uses include the big blue loosestrife for its second generation of eggs. The plant's nectar plant for the large copper.
The plant is common in the northern hemisphere. In North America the species is introduced and it is locally controlled.
Names in other languages:
• German: Blut Rich Grassland
• English: Purple Loosestrife
• French: Salicaire Commune
Because stem and leaves contain tannin, was used in the tannery used. Carrot produces a red dye for dyeing wool.
Medicinal plant was formerly used for its styptic effect against diarrhea, dysentery, gastritis and typhus.
See also: International Flower Delivery, Florist