Life … Plants Vascular Plants Monocots Agaves, Orchids, Irises, and Allies Amaryllis, Onions, and Allies Onions Melanocrommyum Purple-flowered Onion species 67 observations Purple-flowered Onion Allium atropurpureum Field notes Supports All 1 native animalssupported in the US Flower visitors Pollinators and other flower visitors Monarch 1 Close