The three-cornered leek (Allium triquetrum) is an invasive weed that can carpet large areas very quickly because of its rapidly germinating seeds that quickly form a dense clump of leaves and flowers. Pretty though this three-cornered leek's white drooping flowersz may be, don't be tempted to pick it as a cut flower because it does reek strongly of an oniony smell! However, all parts of the plant are edible. The leaves and flowers can be added to salads, and the bulbs can be substituted for garlic.
This post is part of the Floral Friday Fotos meme.