Astragalus aquilonius, the Lemhi milkvetch, is a species of milkvetch in the family Fabaceae.[2][3] It is native to Idaho.[4]

Astragalus aquilonius

Vulnerable  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Astragalus
Species:
A. aquilonius
Binomial name
Astragalus aquilonius
(Barneby) Barneby

Description

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The flowers color can be white, green, purple, or violet. The bloom period is May, June, and July. The leaf arrangement is alternate. The fruit type is legume. The long stipules are purplish in color, but start out as brownish. There are 4 flat leaflets. The lanceolate is commonly purplish in color. The pedicels are very slender. The fruit is usually straight and divaricate. The pods loosely spread.[5]

Conservation status

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It has a global rank of G3, which means it is vulnerable. It has the same rank in Idaho. It is found around the upper Salmon River and the lower Lemhi River, it is found in Lemhi, Custer, and Butte counties. 39 places are known where it is found.[1]

References

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  1. ^ a b "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2023-07-30.
  2. ^ "Lemhi Milkvetch (Astragalus aquilonius) | Idaho Fish and Game". idfg.idaho.gov. Retrieved 2020-09-18.
  3. ^ "Plants Profile for Astragalus aquilonius (Lemhi milkvetch)". plants.usda.gov. Retrieved 2020-09-18.
  4. ^ "Astragalus aquilonius (Barneby) Barneby | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2020-09-18.
  5. ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2023-07-30.