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Allium douglasii
Species of flowering plant From Wikipedia, the free encyclopedia
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Allium douglasii, the Douglas' onion, is a perennial herbaceous flowering plant in the Amaryllidaceae family. It is native to northeastern Oregon, eastern Washington, and northern Idaho.
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Description
Allium douglasii is a perennial herbaceous flowering plant that 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.[3][4][5][6] Two grooved leaves usually remain during the flowering stage.[7]
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Distribution and habitat
Allium douglasii is endemic to sections of the Northwestern United States (northeastern Oregon, Idaho, eastern Washington). It typically grows in shallow soils at elevations of 400–1,300 m (1,300–4,300 ft) above sea level.[3][8]
Conservation
As of December 2024[update], the conservation group NatureServe listed Allium douglasii as Apparently Secure (G4) worldwide. This status was last reviewed on 7 August 1984. At the state level, this species is listed as No Status Rank (not assessed) in Idaho and Oregon, and as Secure (G5) in Washington.[1]
Taxonomy
Allium douglasii was first named and described by William Jackson Hooker in 1838 in the Flora Boreali-Americana publication
Etymology
The specific epithet, douglasii, is named in honour of scottish botanist David Douglas. In English, this species is commonly known as Douglas' Onion.[9]
References
External links
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