Taxon: Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson

Summary

Genus:

Oenothera

Section:

Oenothera

Subsection:

Oenothera

Family:

Onagraceae

Subfamily:

Onagroideae

Tribe:

Onagreae

Nomen number:

100536

Place of publication:

Bibl. index N. Amer. bot. 383. 1878 (Smithsonian Misc. Collect. 258:383. 1878)

Protologue link:

https://www.biodiversitylibrary.org/page/13568439

Verified:

03/03/1998 ARS Systematic Botanists.

Accessions:

26 (25 active, 1 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Heterotypic Synonym(s)
Oenothera ammophila Focke
Oenothera syrticola Bartlett, nom. nud.

No images

Conservation Status

Reference(s)

Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 181.
Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
Munz, P. A. 1965. Onagraceae. In: Britton, N. L. et al., eds. ser. 1; C. T. Rogerson, ed. ser. 2, North American flora ser. 2, 5:123. Note: ser. 1, 1905-1957; ser. 2, 1954-1972
Raven, P. et al. 1979. An outline of the systematics of Oenothera subsect. Euoenothera (Onagraceae). Syst. Bot. 4:244. www.aspt.net/systematic-botany
Skvortsov, A. K. 1994. Genus Oenothera (Onagraceae) in the former Soviet Union: taxonomy and distribution. Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 99:105.

Common names

Language	Name	Alternate name	note	seq	Citation
English (Canada)	Oakes’ evening-primrose		Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 181.
French (Canada)	onagre d’Oakes		Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 181.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Eastern Canada	Canada	New Brunswick
1	Native	Northern America	Eastern Canada	Canada	Newfoundland and Labrador
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia
1	Native	Northern America	Eastern Canada	Canada	Ontario
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island
1	Native	Northern America	Eastern Canada	Canada	Québec
1	Native	Northern America	North-Central U.S.A.	United States	Illinois	n.e.	Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota	n. & e.	Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana	n.w.	Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	New York		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio	n.e.	Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia		Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.
1	Native	Northern America	Western Canada	Canada	Manitoba	s.e.
4	Naturalized					natzd. elsewhere in temperate regions

Native
Northern America

EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick, Newfoundland and Labrador]
WESTERN CANADA: Canada [Manitoba (s.e.)]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana (n.w.), Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio (n.e.), Pennsylvania, Rhode Island]
NORTH-CENTRAL U.S.A.: United States [Illinois (n.e.), Minnesota (n. & e.), Wisconsin]
SOUTHEASTERN U.S.A.: United States [Delaware, Maryland, North Carolina, Virginia]

Naturalized (natzd. elsewhere in temperate regions)

Reference(s)

Dietrich, W. et al. 1997. Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae). Syst. Bot. Monogr. 50:117. Note: lists as Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson & J. M. Coult.

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=100536. Accessed 12 May 2026.