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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Astragalus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Astragalus agrestis Douglas ex G. Don
Habit: Perennial herb; +- glabrous to sparsely strigose. Stem: decumbent or ascending, 4--30 cm, underground for 0--9 cm, forming small patches, often supported by grasses. Leaf: 2--10 cm; stipule sheaths (on herbarium specimens or not) ruptured by stem expansion or not; leaflets 9--23, 5--20 mm, +- lanceolate to ovate, tips acute to notched. Inflorescence: head-like, 0.5--2.5 cm, ovate; flowers 5--15, ascending. Flower: petals pink-purple to +- white, banner 15--22 mm, recurved +- 25°, keel 11.4--14 mm. Fruit: erect, 7--10 mm, 3--4 mm wide, +- ovate, pointed at tip, +- 3-sided (lower deeply grooved), stiff-papery, turning black, hairs white; chambers 2. Chromosomes: 2n=16.
Ecology: Vernally moist soil, with sagebrush; Elevation: 1600--2200 m. Bioregional Distribution: MP (Lassen Co.), SNE (Mono Co.); Distribution Outside California: to Minnesota, New Mexico, especially Rocky Mountains; also Asia. Flowering Time: May--Aug
eFlora Treatment Author: Martin F. Wojciechowski & Richard Spellenberg
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Astragalus agnicidus
Next taxon: Astragalus albens
Citation for this treatment: Martin F. Wojciechowski & Richard Spellenberg 2016. Astragalus agrestis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=14668, accessed on July 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 30, 2016.