Taxon: Phaseolus polystachios (L.) Britton et al. subsp. polystachios

Summary

Genus:

Phaseolus

Section:

Coriacei

Family:

Fabaceae (alt. Leguminosae)

Subfamily:

Faboideae

Tribe:

Phaseoleae

Subtribe:

Phaseolinae

Nomen number:

314960

Verified:

08/18/2010 ARS Systematic Botanists.

Accessions:

7 (7 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Phaseolus polystachios (L.) Britton et al. (61 active accession[s])
Phaseolus polystachios (L.) Britton et al. subsp. sinuatus (Nutt. ex Torr. & A. Gray) Freytag (1 active accession[s])
Phaseolus polystachios (L.) Britton et al. subsp. smilacifolius (Pollard) Freytag (0 active accession[s])

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

Basionym
Dolichos polystachios L.

Autonym(s)
Phaseolus polystachios (L.) Britton et al. var. polystachios

No images

Conservation Status

Reference(s)

Delgado-Salinas, A. 1985. Systematics of the genus Phaseolus (Leguminosae) in North and Central America 245. Note: Ph.D. dissertation, University of Texas
Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
Maréchal, R. et al. 1978. Étude taxonomique d'un groupe complexe d'espèces des genres Phaseolus et Vigna (Papilionaceae) sur la base données morphologiques et polliniques, traitées par l'analyse informatique. Boissiera 28:142.
Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States.

Common names

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Northern America	North-Central U.S.A.	United States	Illinois	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	North-Central U.S.A.	United States	Missouri	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	North-Central U.S.A.	United States	Oklahoma	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	New York	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	South-Central U.S.A.	United States	Texas	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia	Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"

Native
Northern America

NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, New Jersey, New York, Ohio, Pennsylvania, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Missouri, Oklahoma]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
SOUTH-CENTRAL U.S.A.: United States [Texas]

Reference(s)

Freytag, G. F. & D. G. Debouck. 2002. Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Sida, Bot. Misc. 23:110-112. Note: lists as "Phaseolus polystachyus subsp. polystachyus"

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=314960. Accessed 17 April 2026.