Allium constrictum
| Grand Coulee Onion | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Tribe: | Allieae |
| Genus: | Allium |
| Species: | A. constrictum |
| Binomial name | |
| Allium constrictum (F.M.Ownbey & L.V.Mingrone) M. E. Jones ex Ownbey | |
| Synonyms | |
|
Allium douglasii var. constrictum F.M.Ownbey & L.V.Mingrone | |
Allium constrictum, the Grand Coulee Onion, is a plant species endemic to the US State of Washington. It is known from only three counties in the east-central part of the state: Douglas, Grant, and Lincoln. It grows on dry, sandy soils at elevations of 300-500 m.[1]
Allium constrictum produces egg-shaped bulbs up to 8 mm long. Flowers are up to 10 mm across, pink to rose with green midrib; anthers and pollen blue to gray [1][2][3][4]
References
- 1 2 Flora of North America v 26 p 267, Allium constrictum
- ↑ Peterson, Paul M., Annable, Carol R., & Rieseberg, Loren H. 1988. Systematic Botany 13(2): 211.
- ↑ 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.
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