Oenothera grandiflora

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map
Family:ONAGRACEAE
Species:Oenothera grandiflora L'Hér.
Common Name:Large Flower Evening Primrose
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Biennial
Category:Vascular
USDA Symbol:OEGR4
Plant Notes:Large Flower Evening Primrose is a native herbaceous biennial in the Evening-Primrose family (Onagraceae). It is native to southwest Alabama. Large Flower Evening Primrose occurs on river floodplains, on roadsides, and around the margins of fields. It is a biennial, spending the first year as a basal rosette of leaves from a tap root. During the second year the stem elongates and the plant flowers then dies. The leaves are lanceolate to elliptic or oblong in outline, serrate to nearly entire, and pubescent. The leaves are often red flecked when young. The stem leaves are sessile or short petiolate. The basal and lower stem leaves are deeply scalloped. Stems are erect, pubescent with straight hairs, reddish-brown to green in color, and branched above the middle. Stems are commonly 3-6 feet in height. Fragrant flowers are produced from the axils of the upper leaves. The flowers are lemon yellow in color with 4 heart-shaped petals and are 3-4 inched in diameter. The flowers open at night and close before mid-day. The fruit is a cylindrical pubescent capsule. Large Flower Evening Primrose was first collected by William Bartram on the banks of the Tensaw River in southern Alabama in 1773. He immediately recognized the horticultural potential of the species and sent seed to England. It was widely cultivated and has escaped to various locations making its original distribution unclear. It is similar to Common Evening Primrose (Oenothera biennis Linnaeus) and may grow intermingled with it.—A. Diamond
Taxonomic Notes:**
Status:Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyONAGRACEAE - Evening-Primrose family
Genus Oenothera
Species Oenothera grandiflora L'Hér. - Large Flower Evening Primrose

Citation

Citation Oenothera grandiflora L'Héritier, Hort. Kew. 2: 2. 1789.
Basionym: **
Type: USA: ALABAMA: Baldwin Co.: A few mi. above Tensaw, cult. in England, s.d., Fothergill s.n. (neotype: BM). Neotypified by W. Dietrich et al., Syst. Bot. Monogr. 50: 85. 1997.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Oenothera biennis var. grandiflora Oenothera biennis Linnaeus, var. grandiflora (L'Héritier de Brutelle ex Aiton) Torrey & A. Gray, Fl. N. Amer. 1: 492. 1840.Oenothera grandiflora L'Héritier de Brutelle ex Aiton 1789. 
Oenothera grandiflora Oenothera grandiflora Lamarck, Encycl. 4: 554. 1798, non L'Héritier de Brutelle ex Aiton 1789. Cult. in Paris, without data, Lamarck s.n. (lectotype: P-LA). Lectotypified by W. Dietrich et al., Syst. Bot. Monogr. 50: 85. 1997.
Oenothera grandiflora var. glabra Oenothera grandiflora L'Héritier de Brutelle ex Aiton, var. glabra Seringe, in de Candolle, Prodr. 3: 46. 1828, nom. inadmiss.Oenothera grandiflora L'Héritier de Brutelle ex Aiton 1789. 
Oenothera grandiflora var. pubescens Oenothera grandiflora L'Héritier de Brutelle ex Aiton, var. pubescens Seringe, in de Candolle, Prodr. 3: 46. 1828.Oenothera spectabilis Lehmann 1824. 
Oenothera lamarckiana Oenothera lamarckiana Seringe ex de Candolle, Prodr. 3: 47. 1828.Oenothera grandiflora Lamarck 1798, non L'Héritier de Brutelle ex Aiton 1789. 
Oenothera spectabilis Oenothera spectabilis Lehmann, Sem. Hort. Bot. Hamburg 1824: 20. 1824. Without data (holotype: Sims, Bot. Mag. 46: t. 2068. 1819).

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Baldwin, Clarke, Conecuh, Covington, Escambia, Marengo, Monroe, Sumter

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AUA, JSU, TROY, UNA, UWAL

Range of years during which specimens were collected: 1967 - 1967

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0005540 Marengo 24 Sep 2008 England, J. Kevin
1195		 UWAL
Oenothera grandiflora L'Hér. ex Ait.
UWAL0011908 Clarke 15 Aug 2012 Keener, Brian R.
7445		 UWAL
Oenothera grandiflora L’Heritier ex Aiton
ALNHS00006080 Marengo 30 Aug 2018 Barger, T. Wayne
SP#4212		 ALNHS
Oenothera grandiflora L'Her.
UWAL0005542 Sumter 29 Oct 2007 Keener, Brian R.
3998		 UWAL
Oenothera grandiflora L'Hér. ex Ait.
TROY000007537 Escambia 06 Oct 2000 Searcy, Darryl
s.n.		 TROY
Oenothera grandiflora L'Heritier ex Aiton
UWAL0005541 Monroe 13 Sep 2007 Diamond, Alvin R.
18061		 UWAL
Oenothera grandiflora L'Hér. ex Ait.
UWAL0043419 Baldwin 29 Aug 2001 Larsen, Harry S.
934		 UWAL
Oenothera grandiflora L'Her. ex Aiton
TROY000007535 Conecuh 29 Aug 2001 Searcy, Darryl
s.n.		 TROY
Oenothera grandiflora L'Heritier ex Aiton
ALNHS00006083 Marengo 30 Aug 2018 Barger, T. Wayne
SP#4211		 ALNHS
Oenothera grandiflora L'Her.
UWAL0017545 Marengo 08 Jul 2013 England, J. Kevin
4373		 UWAL
Oenothera grandiflora L'Heritier ex Aiton
UNA00009267 Sumter 10 Sep 1967 Jones, Jr., Samuel B.
15345		 UNA
Oenothera grandiflora L'H?r. ex Ait.
UWAL0049913 Escambia 31 Aug 2019 Diamond, Alvin R.
29063		 UWAL
Oenothera grandiflora L'Heritier ex Aiton
TROY000021949 Sumter 29 Oct 2007 Keener, Brian R.
3998		 TROY
Oenothera grandiflora L'Heritier ex Aiton
TROY000028773 Marengo 24 Sep 2008 England, J. Kevin
1195		 TROY
Oenothera grandiflora L'Heritier ex Aiton
JSU139934 Baldwin 08 Oct 2000 Spaulding, Daniel D.
10874		 JSU
Oenothera grandiflora L’Heritier ex Aiton
TROY000007536 Escambia 20 Aug 1981 Kral, Robert
67809		 TROY
Oenothera grandiflora L'Heritier ex Aiton
AUA000041543 Covington 18 Oct 2012 Hansen, Curtis J.
5767		 AUA
Oenothera Grandiflora L'Her.
TROY000049053 Escambia 31 Aug 2019 Diamond, Alvin R.
29063		 TROY
Oenothera grandiflora L'Heritier ex Aiton
UWAL0005539 Covington 20 Aug 1981 Kral, Robert
67809		 UWAL
Oenothera grandiflora Ait.
UWAL0043420 Baldwin 09 Aug 2001 Larsen, Harry S.
830		 UWAL
Oenothera grandiflora L'Her. ex Aiton
TROY000007538 Monroe 13 Sep 2007 Diamond, Alvin R.
18061		 TROY
Oenothera grandiflora L'Heritier ex Aiton
UNA00009267 Sumter 10 Sep 1967 Jones, Samuel B. Jr.
15345		 UNA
Oenothera grandiflora L'Hér. ex Ait.
UNA00068883 Sumter 29 Oct 2007 Keener, Brian R.
3998		 UNA
Oenothera grandiflora L'H?r. ex Ait.
JSU138162 Sumter 10 Sep 1967 Jones, Samuel B., Jr.
15345		 JSU
Oenothera grandiflora L’Heritier ex Aiton
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