Allium columbianum
Allium columbianum, the Columbian onion, is a species of onion native to eastern Washington (Pend Oreille, Spokane, Lincoln and Whitman Counties), northern Idaho (Idaho, Clearwater, Latah and Kootenai Counties), and the Bitterroot Mountains of western Montana (Ravalli and Sanders Counties). It grows on shallow, wet soils at elevations of 300–1100 m.[2][3]
| Columbian onion | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Genus: | Allium |
| Species: | A. columbianum |
| Binomial name | |
| Allium columbianum (F.M.Ownbey & L.V.Mingrone) P. M. Peterson, Annable & L.H. Rieseberg | |
| Synonyms[1] | |
|
Allium douglasii var. columbianum F.M.Ownbey & L.V.Mingrone | |
Allium columbianum produces egg-shaped bulbs up to 15 mm long. Flowers are up to 10 mm across, pink to light purple with green midrib; anthers and pollen blue to gray.[2][4][5]
References
- Kew World Checklist of Selected Plant Families
- Flora of North America v 26 p 266,Allium columbianum
- BONAP (Biota of North America Program) 2013 county distribution map, Allium columbianum
- Ownbey, F.M., & L.V. Mingrone. 1969. Vascular Plants of the Pacific Northwest 1: 747.
- Peterson, PM, CR Annable, LH Rieseberg. 1988. Systematic relationships and nomenclatural changes in the Allium douglasii complex. Systematic Botany 13:207-214. Archived 2010-09-28 at the Wayback Machine
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