Dyssodia papposa, Fetid Marigold
Scientific Name: Dyssodia papposa
Common Name: Fetid Marigold
Also Called: Dogweed, Dogbane Dyssodia, Fetid Dogweed, Fetid-marigold, and Prairie Dogweed
Family: Asteraceae, Sunflower Family
Synonyms: (Boebera papposa, Tagetes papposa)
Size: Up to 15 inches.
Growth Form: Forb/herb, erect or spreading, leafy hairy or glabrous.
Leaves: Green, opposite below, alternate above, deeply pinnately divided into many lobes (pinnatisect), sessile or on short pedicels, oil glands on leaf margins.
Flower Color: Yellow or orange, radiate heads, 8 or less ray flowers, multiple disk flowers, clusters of single heads sessile or on short flowering stalk or peduncle, fruit an achene.
Flowering Season: August to October.
Elevation: 4,500 to 7,000 feet.
Habitat Preferences: Variable, open areas, fields, disturbed areas, rocky areas, roadways
Recorded Range: Fetid Marigold is native throughout much of the United States and introduced in Ontario and Saskatchewan, Canada. It is also native to Mexico and into South America. In Arizona it is found in the northeast, east and southern parts of the state.
U.S. Weed Information:Fetid Marigold is listed in: Weeds of Nebraska and the Great Plains. Plants included here may become weedy or invasive.
Invasive/Noxious Weed Information: No data available.
Wetland Indicator: No data available.
Threatened/Endangered Information: No data available.
Comments: Fetid Marigold is consider a weed perhaps because it has an odor which is unpleasant to some folks. Often the plant must be crushed in hand to experience the odor which is produced from oils in the plant. The genus Dyssodia once included species now belonging to Thymophylla and Adenophyllum.
Several uses have been identified for Fetid Marigold including its use as a gastrointestinal aid and as food such as bread, cake and vegetable. View species account from Native American Ethnobotany, University of Michigan, Dearborn.