| Enceliopsis nudicaulis | |
|---|---|
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| Enceliopsis nudicaulis var. corrugata | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Enceliopsis |
| Species: |
E. nudicaulis
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| Binomial name | |
| Enceliopsis nudicaulis | |
| Synonyms[1] | |
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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.[2]
E. nudicaulis is a perennial herb growing up to 45 centimeters (18 inches) tall from a woody caudex fringed with gray-green hairy leaves.[3] The leaves are oval and up to 6.5 cm (2+1⁄2 in) long and wide.[4][3]
Blooming from May to August,[3] the inflorescence is a solitary flower head atop a tall, erect peduncle. The flower head is 7.5–10 cm (3–4 in);[3] 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 2 to 4 cm (3⁄4to1+1⁄2 in) long. The fruit is a hairy achene about 1 cm in length.[4]
There are two recognized varieties of this species:[4]
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 DesertinCalifornia.[7] It grows in desert, plateau, and montane habitats.[2]
It is sometimes used as an ornamental plant in dry areas.[3]
Media related to Enceliopsis nudicaulis at Wikimedia Commons| Enceliopsis nudicaulis |
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| Encelia nudicaulis |
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