Oenothera grandiflora

Classification	Dicots
Family	Onagraceae
Family (Traditional)	Onagraceae
Genus	Oenothera
Species:	Oenothera grandiflora L'Her.
Common Name	Largeflower Evening Primrose
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Biennial; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Number: 0; Anther Type: Dorsifixed; Base Flower Color: Yellow; Carpel Number/Pistil: 4; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Pistil Number: 1; Placentation Type: Axillary; Placentation Type: Parietal; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 8
C value	9
Status	Native; TN[SH] (State Rank); G3G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

State Boundaries
Counties
Counties - Species Present

Ecoregions

Southeastern Plains
- Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau

Interior Plateau
- Bluegrass Region
- Nashville Basin
- Pennyroyal Karst Plain
- Western Highland Rim
- Eastern Highland Rim

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
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Synonyms

No synonyms exist for this species.

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.

Counties included on distribution map: Marion (TN)

Herbaria represented by specimen data listed below: EKY, TENN

Range of years during which specimens were collected: 1975 - 1975