Taxon: Astragalus distortus Torr. & A. Gray

Summary

Genus:

Astragalus

Family:

Fabaceae (alt. Leguminosae)

Subfamily:

Faboideae

Tribe:

Galegeae

Subtribe:

Astragalinae

Nomen number:

414664

Place of publication:

Fl. N. Amer. 1:333. 1838

Verified:

09/10/1999 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Astragalus distortus Torr. & A. Gray var. distortus (0 active accession[s])
Astragalus distortus Torr. & A. Gray var. engelmannii (E. Sheld.) M. E. Jones (0 active accession[s])

Autonyms (not in current use), synonyms and invalid designations

Images (2 total. Click on image for more.)

Conservation Status

Reference(s)

Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States.
Turner, B. L. 1959. The legumes of Texas.

Common names

Language	Name	Alternate name	note	seq	Citation
English	Ozark milk-vetch			1	Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas	e.	Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma	e.	Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia	n.e.	Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	South-Central U.S.A.	United States	Texas		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland	w.	Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia	n.	Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.

Native
Northern America

NORTHEASTERN U.S.A.: United States [West Virginia (n.e.)]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas (e.), Missouri, Oklahoma (e.)]
SOUTHEASTERN U.S.A.: United States [Arkansas, Louisiana, Maryland (w.), Mississippi, Virginia (n.)]
SOUTH-CENTRAL U.S.A.: United States [Texas]

Reference(s)

Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:985.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=414664. Accessed 17 April 2026.