Stock photography, photos: Wild Onion Close-Up Stock photos of Close-up of a wild onion (Allium stellatum) flower. Bluestem Prairie Scientific and Natural Area, Minnesota. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: Allium stellatum, flower, Liliaceae, Lily, perennial, plant, Prairie Onion, Wild Onion, America, Bluestem Prairie, Bluestem Prairie SNA, Minnesota, North America, Scientific & Natural Area, Scientific & Natural Areas, United States, United States of America, US, USA, close-up, macro