familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Argophylli
speciesAstragalus amphioxys
Difference between revisions of "Astragalus amphioxys var. amphioxys"
Illustrated
Treatment appears in FNA Volume 11.
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Latest revision as of 18:52, 12 March 2025
Flowers: calyx cylindric, tube (5.8–)7–10.5 mm, lobes 1.5–3.7(–4.5) mm; corolla banner (16.2–)19–24.5 mm; keel (13.2–)14.3–18.8(–19.6) mm. Legumes 15–40 mm, curved. Seeds (42–)44–56. 2n = 22.
Phenology: Flowering late Mar–Jun.
Habitat: Sandy valleys, plains, gravelly hillsides, on dunes, rarely on gumbo-clay flats, in creosote bush, Joshua tree, blackbrush, indigo bush, salt desert shrub, pinyon-juniper, and mountain brush communities.
Elevation: 400–2100 m.
Distribution
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Ariz., Colo., Nev., N.Mex., Tex., Utah, Mexico (Chihuahua).
Discussion
Variety amphioxys is variable and includes elements that may be taxonomically significant (D. Isely 1998).
Selected References
None.
Lower Taxa
None.
... more about "Astragalus amphioxys var. amphioxys"
Sandy valleys, plains, gravelly hillsides, on dunes, rarely on gumbo-clay flats, in creosote bush, Joshua tree, blackbrush, indigo bush, salt desert shrub, pinyon-juniper, and mountain brush communities. +
Proc. Amer. Acad. Arts +
1878 +
Illustrated +
Astragalus amphioxys var. amphioxys +
Astragalus amphioxys +
variety +