Rock Garden Plants
Astragalus plattensis Nutt. trib. Galegeae 
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FamilyFABACEAE
Genus speciesAstragalus plattensis Nutt. trib. Galegeae
SynonymsAstragalus caryocarpus Torr.
 Astragalus mexicanus A.Gray
 Astragalus pachycarpus Torr. & A.Gray
Habitatamerican prairie
Descriptionstems ramose, procumbent, leaflets 13-23, oblong or elliptic, 5-15mm, acute to rounded, flowers in capitate raceme, flowers ca. 15mm long, pod ovoid, 10-15mm long
Size10-30cm
Coloryellowish white
Bloomspring, early summer
Ca
Typetuft
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationscarified seed in spring, germ. 1-3 months, 10-13°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Colorado , Montana , Wyoming )
     North-Central U.S.A. (Kansas , North Dakota , Nebraska , Oklahoma , South Dakota )
     South-Central U.S.A. (Texas)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

FABACEAE

Astragalus plattensis Nutt., Fl. N. Amer. [Torrey & A.Gray] 1(2): 332 (1838)

Synonyms:
Geoprumnon plattense (Nutt.) Rydb.
Phaca plattensis (Nutt.) MacMill.
Tragacantha plattensis (Nutt.) Kuntze

Astragalus caryocarpus Torr.
Astragalus crassicarpus pachycarpus (Torr. & A.Gray) M.E.Jones
Astragalus mexicanus A.Gray
Astragalus pachycarpus Torr. & A.Gray
Geoprumnon pachycarpum (Torr. & A.Gray) Rydb.

nw. & c. USA
73 COL MNT WYO 74 KAN NDA NEB OKL SDA 77 TEX

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