Chaenactis nevii
{{Short description|Species of flowering plant}}
{{Speciesbox
|image = John Day Pincushion imported from iNaturalist photo 120744268 on 15 October 2024.jpg
|genus = Chaenactis
|species = nevii
|authority = A.Gray
}}
Chaenactis nevii is a North American species of flowering plants in the aster family known by the common name John Day pincushion. It is found only in the John Day Basin area in the US State of Oregon.[http://bonap.net/MapGallery/County/Chaenactis%20nevii.png Biota of North America Program 2014 county distribution map]Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1984. Compositae. Part V.: 1–343. In C. L. Hitchcock Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.
Description
Chaenactis nevii is a perennial up to 30 cm (12 inches) tall. Each branch produces 1-3 flower heads each containing yellow disc florets but no ray florets.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066314 Flora of North America, John Day pincushion, Chaenactis nevii A.Gray]
The species is named for American missionary and botanist Reuben Denton Nevius (1827-1913).[https://www.biodiversitylibrary.org/page/8864330#page/42/mode/1up Gray, Asa 1883. Proceedings of the American Academy of Arts and Sciences 19: 30. ]
References
{{Reflist}}
External links
- [http://science.halleyhosting.com/nature/basin/sun/button/chaenactis/johnday.htm Paul Slichter, The Genus Chaenactis East of the Cascade Mts., John Day Chaenactis, John Day's Pincushion, Nevius's Chaenactis, Chaenactis nevii] photos
- [http://www.nps.gov/stateoftheparks/joda/naturalresources/Rare_Plants.cfm United States Department of the Interior, National Park Service, State of the Park Report for John Day Fossil Beds National Monument, Resource Brief - Rare Plants]
- [http://www.oregonencyclopedia.org/articles/nevius_reuben_1827_1913_/#.VXAcLUaYEfA Article on Reuben Nevius]
{{Taxonbar|from=Q15572384}}
Category:Plants described in 1883
Category:Flora without expected TNC conservation status
Category:Endemic flora of Oregon
Category:Endemic flora of the United States
{{Asteroideae-stub}}