Common name: Purple loosestrife, spiked loosestrife, purple lythrum. Scientific name: Lythrum salicaria. Family: Lythraceae. Genus: Lythrum. Species: L. salicaria. Height: 1 - 1.5 m. Flower color: Purple-red. Flowering time: June to August.

Lythrum salicaria (Purple loosestrife, spiked loosestrife) is a herbaceous perennial plant in lythraceae family, It has strong, upright stems, and bright purple-red flowers. The leaves are dark-green, lanceolate, sessile, 3–10 cm long and 5–15 mm broad.