Allium douglasii

From Wikipedia, the free encyclopedia

Douglas onion
Allium douglasii 8030585.jpg
Allium douglasii in Lincoln County, Washington, US
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species:
A. douglasii
Binomial name
Allium douglasii
Synonyms

Allium hendersonii B.L.Rob. &

Allium douglasii, the Douglas onion, is a plant species native to northeastern Oregon, eastern Washington, and northern Idaho. It grows in shallow soils at elevations of 400–1,300 m (1,300–4,300 ft).[1][2]

Allium douglasii produces egg-shaped bulbs up to 3 cm (1+1⁄4 in) long. Scapes are round in cross-section, up to 40 cm (16 in) tall. Flowers are up to 10 mm (3⁄8 in) across; tepals pink or purple with green midribs; anthers blue; pollen white or light gray.[1][3][4][5]

References[]

  1. ^ Jump up to: a b Flora of North America Editorial Committee (ed.). "Allium douglasii". Flora of North America North of Mexico (FNA). New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  2. ^ "Allium douglasii". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  3. ^ Hooker, William Jackson. 1839. Flora Boreali-Americana 2: 184, pl. 197
  4. ^ Robinson, Benjamin Lincoln, & Seaton, Henry Eliason. 1893. Botanical Gazette 18(6): 237–238.
  5. ^ 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.
Retrieved from ""