Allium columbianum - (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg
Columbia Onion
Synonym(s): Allium douglasii var. columbianum Ownbey & Mingrone
Taxonomic Status: Accepted
Related ITIS Name(s): Allium columbianum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg (TSN 182645)
Unique Identifier: ELEMENT_GLOBAL.2.149643
Element Code: PMLIL022R0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Lily Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Liliales Liliaceae Allium
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Allium columbianum
Taxonomic Comments: Taxon now recognized at the species level (Peterson et al., 1988); recognized at species level by Kartesz in his 1994 checklist.
Conservation Status
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NatureServe Status

Global Status: G3
Global Status Last Reviewed: 18Jan1989
Global Status Last Changed: 21Sep1989
Rounded Global Status: G3 - Vulnerable
Reasons: Regional endemic, known from three states (WA, ID, MT).
Nation: United States
National Status: N3

U.S. & Canada State/Province Status
United States Idaho (SNR), Montana (S1), Washington (SNR)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Regional endemic, known in east-central Washington, northern Idaho and west-central Montana.

Number of Occurrences: 21 - 80
Number of Occurrences Comments: Known in Washington, Idaho and Montana.

Population Size Comments: Probably 10,000+ plants.

Overall Threat Impact Comments: Habitat subject to livestock grazing.

Intrinsic Vulnerability Comments: Unknown.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Regional endemic, known in east-central Washington, northern Idaho and west-central Montana.

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States ID, MT, WA

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MT Ravalli (30081), Sanders (30089)
WA Spokane (53063)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
17 Bitterroot (17010205)+, Lower Flathead (17010212)+, Palouse (17060108)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Pink-flowered plant, Liliaceae.
General Description: Columbia Onion is a perennial herb, 1-3 dm high and arising from solitary or clustered egg-shaped bulbs with brown or gray honeycombed coats. The 2 sickle-shaped leaves, greater than 5 mm wide and concave in cross-section, arise from near the base of the stem. Pink flowers are borne on 15-24 mm long stalks in a hemispherical inflorescence subtended by 2-3 papery, egg-shaped bracts which arise from the swollen stem top. Each flower has 6 narrowly lance-shaped, petal-like tepals, which are 7-8 mm long, and 6 stamens, which are as long or longer than the tepals.
Diagnostic Characteristics: The broad sickle-shaped leaves and swollen stem beneath the inflorescence are diagnostic.
Habitat Comments: Rocky, moderately deep spring wet soils and stony meadows.
Economic Attributes
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Economically Important Genus: Y
Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 18Jan1989
NatureServe Conservation Status Factors Author: Shelly, J.S.
Element Ecology & Life History Edition Date: 04Sep1994
Element Ecology & Life History Author(s): JM

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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  • Flora of North America Editorial Committee. 2002a. Flora of North America North of Mexico. Vol. 26. Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York. xxvi + 723 pp.

  • Kartesz, J.T. 1992. A synonymized checklist of the vascular flora of the U.S., Canada, and Greenland. The biota of North America. Corrected page proof.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Peterson, P.M., C.R. Annable, and L.H. Rieseberg. 1988. Systematic relationships and nomenclatural changes in the Allium douglasii complex (Alliaceae). Systematic Botany. 13(2):207-214.

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