Pectis papposa, Manybristle Cinchweed
Scientific Name: Pectis papposa
Common Name: Manybristle Cinchweed
Also called: Chinchweed, Cinchweed, Cinchweed Fetidmarigold, Desert Cinchweed (Spanish: Manzanilla del Coyote, Limoncillo)
Family: Asteraceae, Sunflower Family
Synonyms: ( )
Size: Up to 1 foot.
Growth Form: Forb/herb; small, mound shaped or prostrate; one or several ascending slender stems, multiple branching, stems glabrous or finely pubescent, lemon or spicy odor.
Leaves: Green; opposite, entire, mostly narrowly linear, pellucid glands on leaf margins, leaves from ½ inch to over 2 inches long, plants leafy.
Flower Color: Bright yellow; small heads in clusters of 2 to 4 or more on branch tips; sessile or on short stems; radiate heads, ray flowers with 7 to 10 florets, disk flowers 3 or more; fruit an achene.
Flowering Season: June to November, responds quickly to summer monsoon rainfall.
Elevation: Up to 6,000 feet.
Habitat Preferences: Lower and upper dry desert areas, pinyon-juniper and chaparral communities, open sunny areas, rocky hillsides, mesas, sand and gravelly areas and common along roadsides.
Recorded Range: A southwest species in the United States native to AZ, CA, NM, NV, TX and UT. Also found in Baja California and northwest Mexico. Manybristle Cinchweed is found throughout most of Arizona, few records in the northeast corner of the state.
North America & US County Distribution Map for Pectis papposa.
U.S. Weed Information: No data available.
Invasive/Noxious Weed Information: No data available.
Wetland Indicator: No data available.
Threatened/Endangered Information: No data available.
Pectis papposa var. grandis, Manybristle Chinchweed found in Arizona, New Mexico and Texas and
Pectis papposa var. papposa, Manybristle Chinchweed found in the state references above.
Comments: Manybristle Cinchweed, or simply Cinchweed is a common species found in three of the southwestern North American Deserts: the Sonoran, Mojave and Chihuahuan Deserts. With heavy monsoon rainfall, Cinchweed responds quickly as a dominate species and carpets wide areas with bright yellow flowers and saturates the air with a spicy, lemony fragrance. Superficially resembles California Goldfields, Lasthenia californica.
Also see in Southwestern Desert Flora Five-bract Cinchweed, Pectis filipes.
Ethno botanical uses are recorded and include and infusion of blossoms was used as eye drops for snow blindness and a decoction of the plant was taken as a laxative. See the full species account from the website Native American Ethnobotany, University of Michigan, Dearborn.