Rock Garden Plants
Astragalus cottonii M.E.Jones  
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FamilyFABACEAE
Genus speciesAstragalus cottonii M.E.Jones 
Habitatscree and moraines
Altitudealpine
Descriptiongrey villose, leaves subsessile, 2-4cm long, leaflets 11-17 pairs, linear-elliptic to oblong, 8-16mm, raceme 7-20-flowered, lax, pod intensely ventricose, glabrous
Size10-25cm
Colorwhitish yellow
Bloomsummer
Ca
Typetuft, fl. stem ascending
Cultivationgravelly, humous, moist, semi-shady site
alpine house, moist, humous, gravelly soil, semi-shade
Propagationscarified seed in spring, germ. 1-3 months, 10-13°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Washington)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

FABACEAE

Astragalus cottonii M.E.Jones, Rev. N.-Amer. Astragalus 135 (1923)

Synonyms:
Astragalus aboriginum cottonii (M.E.Jones) S.L.Welsh
Astragalus australis cottonii (M.E.Jones) S.L.Welsh
Atelophragma cottonii (M.E.Jones) Rydb.

Astragalus olympicus J.S.Cotton

Washington
73 WAS

alpine

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