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|Jepson eFlora: Taxon page
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Astragalus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Astragalus atratus S. Watson var. mensanus M.E. Jones
Habit: Perennial herb, wiry, loose-matted or scrambling through scrub; minutely strigose. Stem: 3--25 cm. Leaf: 1.5--15 cm; leaflets 7--15, spaced, 3--16 mm, linear to +- ovate, tips acute to shallowly notched. Inflorescence: flowers 4--18, reflexed. Flower: petals dingy white at least at base, dull lilac on margins or tips, banner 9.8--13.4 mm, recurved +- 90°, blade pinched to appear fiddle-shaped, wings irregularly toothed, +- twisted, keel 8.2--10 mm. Fruit: pendent, 16--22 mm, +- 4 mm wide, +- linear-oblong, +- compressed side-to-side, stiff-papery or leathery, minutely strigose; stalk-like base generally 0; upper suture more convex than lower; tip +- reflexed; chambers 2.
Ecology: Open foothills with pinyon, sagebrush; Elevation: 1700--2350 m. Bioregional Distribution: DMtns (n and w of Panamint Valley, Inyo Co.). Flowering Time: May--Jul Note: Other varieties in Oregon, Idaho, Nevada.
eFlora Treatment Author: Martin F. Wojciechowski & Richard Spellenberg
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Astragalus asymmetricus
Next taxon: Astragalus austiniae
Citation for this treatment: Martin F. Wojciechowski & Richard Spellenberg 2017. Astragalus atratus var. mensanus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=54636, accessed on March 28, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 28, 2017.