Rhinanthus angustifolius, the narrow-leaved rattle or greater yellow-rattle, is a species of plant of the genus Rhinanthus, in the broomrape family, Orobanchaceae. It is an annual wildflower, native to temperate grasslands in much of Europe, and north and central Western Asia. The yellow flowers are mostly visited by bumblebees. This R.angustifolius inflorescence was photographed in Kulna, Estonia. The photograph was focus-stacked from 80 separate images.Photograph credit: Ivar LeidusRecently featured: Nigeen LakeFork-tailed flycatcherJohn Henry TurpinArchiveMore featured pictures