Xyris longisepala
Xyris longisepala, common name Kral's yelloweyed grass, is an uncommon North American species of flowering plants in the yellow-eyed-grass family. It has been found only in a small region in the southeastern United States: southeastern Alabama and the Florida Panhandle.
Xyris longisepala is a perennial herb up to 90 cm tall with long, narrow leaves up to 30 cm long but only 3 mm wide.
Xyris longisepala is listed as an endangered species in Florida.