Lanceleaf Ragweed
| Plant Profile | |
|---|---|
| FYUSE 3D Image |
Common Name: Lanceleaf Ragweed Other Names: Southern Ragweed Species Name: Ambrosia bidentata Plant Type: Forb Family Name: Asteraceae, Sunflower Family |
Examples of Lanceleaf RagweedAmbrosia bidentata
| Plant Facts | |
|---|---|
| Origin | Native |
| Duration | Annual |
| Distribution in the U.S. | Midwest; from Ohio and Kentucky to Nebraska, Texas and Louisiana |
| Distribution in Oklahoma | Eastern one-third of the state |
ID Characteristics
- Field Identification Characteristics
Vegetative
- Foliage covered in hairs
- Wide, open branches
- Leaves directly attached to branches
- Leaves 3-pointed; middle point much longer than the other two
Floral
- Flowers small, green clusters in columns of branch tips
- Leaf and Stem Characteristics
- Leaf Type: Simple
- Leaf Arrangement: Alternate
- Leaf Shape: Lobed; middle lobe considerably longer than 2 side lobes
- Stipules: Absent
- Floral Characteristics
- Petal Number: 4-7 (male); 1 (female)
- Flower Color: Green (inconspicuous)
- Flower Timing: July-October
- Fruit Type: Achene
| Habitat/Ecology | |
|---|---|
| Soil Type | Various moist soils |
| Habitat | Borrow ditches and overgrazed prairie; highly disturbed areas |
| Successional Stage | Early |
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