Taxon: Astragalus lentiginosus Douglas

Summary

Genus:

Astragalus

Family:

Fabaceae (alt. Leguminosae)

Subfamily:

Faboideae

Tribe:

Galegeae

Subtribe:

Astragalinae

Nomen number:

300058

Place of publication:

W. J. Hooker, Fl. bor.-amer. 1:151. 1831

Protologue link:

https://www.biodiversitylibrary.org/page/413565

Comment:

both the name and its validating diagnosis were simultaneously ascribed to Douglas, so he is the author of the name (see Shenzhen ICN Art. 46, Ex. 11)

Verified:

02/02/1989 ARS Systematic Botanists.

Accessions:

21 (16 active, 10 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Astragalus lentiginosus Douglas var. araneosus (E. Sheld.) Barneby (0 active accession[s])
Astragalus lentiginosus Douglas var. australis Barneby (0 active accession[s])
Astragalus lentiginosus Douglas var. borreganus M. E. Jones (0 active accession[s])
Astragalus lentiginosus Douglas var. coachellae Barneby (0 active accession[s])
Astragalus lentiginosus Douglas var. diphysus (A. Gray) M. E. Jones (0 active accession[s])
Astragalus lentiginosus Douglas var. fremontii (A. Gray ex Torr.) S. Watson (1 active accession[s])
Astragalus lentiginosus Douglas var. kennedyi (Rydb.) Barneby (0 active accession[s])
Astragalus lentiginosus Douglas var. lentiginosus (0 active accession[s])
Astragalus lentiginosus Douglas var. micans Barneby (0 active accession[s])
Astragalus lentiginosus Douglas var. nigricalycis M. E. Jones (1 active accession[s])
Astragalus lentiginosus Douglas var. piscinensis Barneby (1 active accession[s])
Astragalus lentiginosus Douglas var. salinus (Howell) Barneby (2 active accession[s])
Astragalus lentiginosus Douglas var. scorpionis M. E. Jones (0 active accession[s])
Astragalus lentiginosus Douglas var. variabilis Barneby (1 active accession[s])
Astragalus lentiginosus Douglas var. vitreus Barneby (0 active accession[s])

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

No images

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. 13:917.
Cronquist, A. et al. 1972-. Intermountain flora.
Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest.
Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
Munro, D. B. Canadian poisonous plants information system (on-line resource).
Welsh, S. L. et al. 1987. A Utah flora. Great Basin Naturalist Mem. 9.
Wiggins, I. L. 1980. Flora of Baja California.

Common names

Language	Name	Alternate name	note	seq	Citation
English	freckled milk-vetch			1	Welsh, S. L. et al. 1987. A Utah flora. Great Basin Naturalist Mem. 9.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Northern Mexico	Mexico	Baja California (Norte)	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. 13:917.
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua	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. 13:917.
1	Native	Northern America	Northern Mexico	Mexico	Sonora	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. 13:917.
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Northwestern U.S.A.	United States	Washington		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Southwestern U.S.A.	United States	California		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah		Barneby, R. C. 1964. Atlas of North American Astragalus. Part II. The Cercidothrix, Hypoglottis, Piptolodoid, Trimeniaeus and Orophaca Astragali. Mem. New York Bot. Gard. 13:917.
1	Native	Northern America	Western Canada	Canada	British Columbia	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. 13:917.

Native
Northern America

WESTERN CANADA: Canada [British Columbia (s.)]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Oregon, Washington, Wyoming]
SOUTH-CENTRAL U.S.A.: United States [New Mexico]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
NORTHERN MEXICO: Mexico [Baja California (Norte) (e.), Chihuahua (n.), Sonora (n.)]

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. 13:917.

Economic Uses

Usage	Type	Note	Reference
Vertebrate poisons	mammals	to livestock, including Astragalus diphysus	Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.

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=300058. Accessed 15 April 2026.