Enceliopsis nudicaulis

Enceliopsis nudicaulis
var. corrugata
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Heliantheae
Genus: Enceliopsis
Species: E. nudicaulis
Binomial name
Enceliopsis nudicaulis
(A.Gray) A.Nelson
Synonyms[1]
  • Encelia nudicaulis A.Gray
  • Enceliopsis tuta A.Nelson
  • Helianthella nudicaulis (A.Gray) A.Gray

Enceliopsis nudicaulis is a North American species of flowering plants in the daisy family known by the common name nakedstem sunray, or naked-stemmed daisy.[2]

Distribution

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.[3] It grows in desert, plateau, and montane habitats.[2]

Description

Enceliopsis nudicaulis is a perennial herb growing up to 40 centimeters (16 inches) tall from a woody caudex fringed with gray-green hairy leaves. The leaves are oval and up to 6 centimeters (2.4 inches) long and wide.[4]

The inflorescence is a solitary flower head atop a tall, erect peduncle. The flower head 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 centimeters (0.8-1.6 inches) long. The fruit is a hairy achene about one centimeter (0.4 inches) in length.[4]

Varieties

There are two recognized varieties of this species:[4]

References

  1. ↑ The Plant List, Enceliopsis nudicaulis (A. Gray) A. Nelson
  2. 1 2 Calflora taxon report, University of California, Enceliopsis nudicaulis (A. Gray) Nelson, naked stemmed daisy, nakedstem sunray
  3. ↑ Biota of North America PRogram 2014 county distribution map
  4. 1 2 3 Flora of North America, Naked-stemmed daisy, Enceliopsis nudicaulis (A. Gray) A. Nelson
  5. ↑ Nevada Natural Heritage Program Rare Plants Fact Sheet
  6. ↑ Jepson Manual: var. nudicaulis
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