Allium constrictum

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]

Grand Coulee Onion
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
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 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. Flora of North America v 26 p 267, Allium constrictum
  2. Peterson, Paul M., Annable, Carol R., & Rieseberg, Loren H. 1988. Systematic Botany 13(2): 211.
  3. Ownbey, F.M., & L.V. Mingrone. 1969. Vascular Plants of the Pacific Northwest 1: 747.
  4. 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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