Curlycup Gumweed
Common Name: Curlycup Gumweed
Species Name: Grindelia squarrosa
Plant Type: Forb
Family Name: Asteraceae, Sunflower Family
Examples of Curlycup Gumweed Grindelia squarrosa
| Plant Facts | |
|---|---|
| Origin | Native |
| Duration | Annual |
| Distribution in the U.S. | Western half, as far east as the Mississippi River |
| Distribution in Oklahoma | Western third of the state |
ID Characteristics
-
Field Identification Characteristics
Vegetative
- Sticky leaves, stems and flower heads
- Leaves directly connected to stem; serrated, oblong and wavy
- Unbranched below and branched above
Floral
- Flowers large and yellow at tips of branches
-
Leaf and Stem Characteristics
- Leaf Type: Simple
- Leaf Arrangement: Alternate
- Leaf Shape: Serrated
- Stipules: Absent
-
Floral Characteristics
- Petal Number: 12-37 or absent
- Flower Color: Yellow
- Flower Timing: July-October
- Fruit Type: Achene
| Habitat/Ecology | |
|---|---|
| Soil Type | Various, shallow soils |
| Habitat | Waste areas, rights-of-way, overgrazed pastures |
| Successional Stage | Early |