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Allium robinsonii 1934

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Amaryllidaceae
Subfamilia: Allioideae
Tribus: Allieae
Genus: Allium
Species: Allium robinsonii

Allium robinsonii L.F.Hend., 1930
Native distribution areas:

Continental: Northern America
Oregon; Washington

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

Henderson, L.F., Rhodora 32: 22 1930.
USDA, NRCS. 2006. The PLANTS Database, 6 March 2006 ( Data compiled from various sources by Mark W. Skinner. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.


International Plant Names Index. 2017. Allium robinsonii. Published online. Accessed: Sep. 11 2017.
The Plant List 2013. Allium robinsonii in The Plant List Version 1.1. Published online. Accessed: 2017 Sep. 11. 2017. Allium robinsonii. Missouri Botanical Garden. Published online. Accessed: 11 Sep. 2017.
Govaerts, R. et al. 2017. Allium robinsonii in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2017 Sep 11. Reference page.

Vernacular names
English: Robinson's onion

Allium robinsonii, the Columbia River onion or Robinson's onion, is a rare plant species native to the US States of Washington and Oregon, although some studies suggest that the Oregon populations may now be extinct. The species has been reported from five counties in Washington (Ferry, Yakima, Grant, Franklin and Benton) and five in Oregon (Umatilla, Morrow, Gilliam, Sherman and Wasco). It is found in sand and gravel deposits along the lower Columbia River and some of its tributaries, usually at elevations less than 200 m.[2][3][4] The species is also cultivated as an ornamental in other regions, including in Europe.[5]

Allium robinsonii produces 1–3 egg-shaped bulbs up to 2 cm long, but no underground rhizomes. The flowering stalks are relatively short for the genus, rarely more than 8 cm tall. The flowers are bell-shaped, up to 9 mm across; tepals are white to pale pink with red midrib; anthers purple; pollen yellow or gray; ovary crested. The plant is named in honor of B. L. Robinson of the Gray Herbarium of Harvard University.[2][6][7][8][9] The leaves are flat and succulent, remaining during flowering.[10]

"NatureServe Explorer - Allium robinsonii". NatureServe Explorer Allium robinsonii. NatureServe. 2022-06-22. Retrieved 22 Jun 2022.
Flora of North America v 26 p 276, Allium robinsonii
BONAP (Biota of North America Project) floristic synthesis, Allium robinsonii
Wildflowers, Turner Photographics, Mike Turner, 2013
"Gardening Europe, Allium robinsonii". Archived from the original on 2014-03-15. Retrieved 2014-03-14.
Henderson, Louis Forniquet. 1930. Rhodora 32(374): 22.
photo of herbarium specimen at Missouri Botanical Garden, isotype of Allium robinsonii
Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock, Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.
Onions East of the Cascade Mountains, Paul Schlichter, Robinson's onion, 2007
Taylor, Ronald J. (1994) [1992]. Sagebrush Country: A Wildflower Sanctuary (rev. ed.). Missoula, MT: Mountain Press Pub. Co. p. 76. ISBN 0-87842-280-3. OCLC 25708726.

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