Enceliopsis nudicaulis is a North American species of flowering plants in the family Asteraceae known by the common name nakedstem sunray, or naked-stemmed daisy. Description E. nudicaulis is a perennial herb growing up to tall from a woody caudex fringed with gray-green hairy leaves. The leaves are oval and up to long and wide. Blooming from May to August, the inflorescence is a solitary flower head atop a tall, erect peduncle. The flower head is ; it has a base made up of three layers of densely woolly, pointed phyllaries. It has a fringe of approximately 21 yellow ray florets each long. The fruit is a hairy achene about 1 cm in length. Varieties There are two recognized varieties of this species: Enceliopsis nudicaulis var. corrugata, the Ash Meadows sunray – the rarer variety, which is probably endemic to Nevada in the vicinity of Ash Meadows in the Amargosa Desert; it is federally listed as threatened. Enceliopsis nudicaulis var. nudicaulis – found in most of species range Distribution and habitat Enceliopsis nudicaulis is native to the western United States: Idaho, Colorado, Utah, Nevada, Arizona, and California including the Inyo Mountains–White Mountains and sky islands the Mojave Desert in California. It grows in desert, plateau, and montane habitats. Uses It is sometimes used as an ornamental plant in dry areas. References External links Calflora Database: Enceliopsis nudicaulis (Naked stemmed daisy, Nakedstem sunray) Jepson Manual Treatment — Enceliopsis nudicaulis United States Department of Agriculture Plants Profile: Enceliopsis nudicaulis UC Calphotos gallery of Enceliopsis nudicaulis nudicaulis Flora of the Southwestern United States Flora of the Great Basin Flora of the California desert regions Flora of Colorado Flora of Idaho Endemic flora of the United States Plants described in 1873 Taxa named by Asa Gray Taxa named by Aven Nelson Flora without expected TNC conservation status