familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Minerales
speciesAstragalus molybdenus
Astragalus molybdenus var. lackschewitzii
N. Amer. Sp. Astragalus, 51. 2007.
Common names: Lackschewitz’s milkvetch
EndemicConservation concern
Basionym: Astragalus lackschewitzii Lavin & Marriott Syst. Bot. 22: 214, fig. 1. 1997
Treatment appears in FNA Volume 11.
Leaflets (13 or)15–23 distally, blade surfaces sparsely pubes-cent. Racemes (2 or)3–5-flowered. Legumes 3-sided compressed, 8.5–11.2 mm, gradually attenuated to a persistent style.
Phenology: Flowering Jul–Aug.
Habitat: Alpine tundra.
Elevation: 2200–2500 m.
Distribution
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Mont.
Discussion
Variety lackschewitzii is based on rather tenuous characteristics of leaflet pubescence and fruit compression, made significant by the geographic isolation of the populations from the other two varieties.
Selected References
None.
Lower Taxa
None.