perennial
Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg
Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg
Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg. 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.
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Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg — seeds, tools & books
Native range
Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.
