Fabrice Cahez / Round-headed garlic (Allium sphaerocephalon) flowers, Mejean, Lozere, France, July.

Loic Poidevin / Round headed leek (Allium sphaerocephalon) flowers, Brittany, France, July.

Chris Mattison / Round-headed leek (Allium sphaerocephalon) Valsavarenche, Italian Alps, Italy. Focus stacked image.

Paul Harcourt Davies / Silver-studded blue butterflies (Plebejus argus) feeding on Round headed leek (Allium sphaerocephalon) Campo Imperatore, Gran Sasso, Appennines, Abruzzo, Italy, July

Paul Harcourt Davies / Round-head leek (Allium sphaerocephalon) in flower, Campo Imperatore, Abruzzo, Italy. July.

Paul Harcourt Davies / Round-head leek (Allium sphaerocephalon) in flower, Umbria, Italy. July.