Curlycup Gumweed

Common Name: Curlycup Gumweed

Species Name: Grindelia squarrosa

Plant Type: Forb

Family Name: Asteraceae, Sunflower Family

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

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