Oenothera perennis Common Names small sundrops, little evening primrose Family Onagraceae Habitat dry or sandy soils in open areas Observed Blooming late May, 2017 Conservation endangered in Kentucky threatened in Illinois, Indiana, Iowa Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Like Loading...