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Oxytropis lambertii

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA FABALES LEGUMINOSAE

Scientific Name: Oxytropis lambertii
Species Authority: Pursh
Common Name/s:
English Purple Locoweed, Stemless Locoweed, Stemless Point-vetch
Synonym/s:
Aragallus angustatus Rydb.
Aragallus aven-nelsonii Lunell
Aragallus lambertii (Pursh) Greene
Astragalus lambertii (Pursh) Spreng.
Oxytropis angustata (Rydb.) A.Nelson
Oxytropis aven-nelsonii (Lunell) A.Nelson
Oxytropis falcata (Greene) A.Nelson
Oxytropis plattensis Torr. & A.Gray
Spiesia lambertii (Pursh) Kuntze

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2010-03-09
Assessor/s: Contu, S.
Reviewer/s: Hilton-Taylor, C.
Justification:
Oxytropis lambertii is a perennial herb widespread and common in its natural range for which at present there are no major known threats causing a population decline, hence it is rated as Least Concern.

Geographic Range [top]

Range Description: Oxytropis lambertii occurs in Canada, Mexico and in the United States.
Countries:
Native:
Canada (Alberta, British Columbia, Manitoba, Saskatchewan); Mexico; United States (Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species is widespread and common in its natural range.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: O. lambertii is a perennial herb which grows in dry upland prairies, pastures, hillsides, river bluffs, and roadsides, on limestone, sandstone, and shale soils. Many plants in the genera Astragalus and Oxytropis are termed locoweeds owing to their ability to cause the chronic neurological disease locoism in horses, cattle, and sheep.
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no major known threats to this species at present.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures specifically for O. lambertii, but the species is currently known to occur in many protected areas. Samples of seed of O. lambertii are held in the Millennium Seed Bank and in the Arizona Crop Improvement Association Building at The University of Arizona Campus Agricultural Center, as part of the Desert Legume Program (DELEP).
Citation: Contu, S. 2012. Oxytropis lambertii. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 18 April 2014.
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