Halfshrub Sundrop
| Plant Profile |
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|---|---|
| FYUSE Image |
Common Name: Halfshrub Sundrop Other Names: Plains Evening Primrose, Yellow Sundrops Species Name: Oenothera serrulata Plant Type: Forb Family Name: Onagraceae, Evening Primrose Family |
Examples of Halfshrub SundropOenothera serrulata
| Plant Facts | |
|---|---|
| Origin | Native |
| Duration | Perennial |
| Distribution in the U.S. | The Great Plains and tallgrass prairie from Canada south to Arkansas, Texas, northeastern Mexico and west to Arizona |
| Distribution in Oklahoma | Throughout the state |
ID Characteristics
- Field Identification Characteristics
Vegetative
- Branching at woody base
- Narrow, serrated pointed leaves
Floral
- Stamens noticeable and appear to dangle for the center
- Flowers 4-petaled and yellow
- Leaf and Stem Characteristics
- Leaf Type: Simple
- Leaf Arrangement: Alternate
- Leaf Shape: Linear
- Stipules: Absent
- Floral Characteristics
- Petal Number: 4, unfused
- Flower Color: Yellow
- Flower Timing: June-September
- Fruit Type: Capsules
| Habitat/Ecology | |
|---|---|
| Soil Type | Varying |
| Habitat | Dry prairies, eroding banks |
| Successional Stage | Mid |
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