Characteristics
Dicots
Oenothera linifolia Nutt.
Thread Leaf Evening Primrose; Flax Leaf Evening Primrose
forb
6
**
Native
TN[SNR] KY[S1S2] (State Rank)
G5 (Global Rank)
Anther Type
Dorsifixed
Armaments
No
Base Flower Color
Yellow
Duration
Annual
Fruit Dehiscence
need more information
Fruit Type
Capsule
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Leaf Arrangement
alternate
Leaf Complexity
simple
Leaf Duration
deciduous
Leaf Fragrance
No
Leaflet Number
0
Moisture Requirements
Xeric; Mesic
Ovary Position
Inferior
Overall Flower Symmetry
Actinomorphic
Parent Rock
Calcareous; Limestone
Placentation Type
Axillary; Parietal
Soil Composition
Mineral
Soil pH
Alkaline
Unconsolidated Rock
Yes
Unconsolidated Size Class
Sand
Woody Herbaceous
Herbaceous
Classification
Myrtales
Oenothera linifolia Nutt. - Thread Leaf Evening Primrose; Flax Leaf Evening Primrose
Species Distribution Map
This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display 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.
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
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected:
Plant Photos
Oenothera linifolia
- Theo Witsell
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Oenothera linifolia
- Theo Witsell
View Full Size