Hypoxis hirsuta
A widespread species found throughout most of the eastern half of the United States and on the margins of the arid west. It is uncommon in Indiana, where I have seen it only once on a moist rocky slope in McCormick's Creek State Park.
Plant habit at McCormick's Creek State Park, 5/15/04.
A flower at McCormick's Creek State Park, 5/15/04.
Plant habit at The Nature Conservancy's Kathy Stiles Freeland Bibb County Glades Preserve, central Alabama, 18 Mar 2008.
A flower & bud at Bibb County Glades, 18 Mar 2008.