Pluchea sericea, Arrowweed
Scientific Name: Pluchea sericea
Common Name: Arrowweed
Also called: Marsh-fleabane (Spanish: Cachanilla, Cachinilla)
Family: Asteraceae, Sunflower Family
Synonyms: (Berthelotia sericea, Polypappus sericeus and Tessaria sericea)
Duration: Perennial, rhizomatous.
Size: Up to 12 feet or more.
Growth Form: Shrub; erect, woody, multiple stems; straight, silvery silky pubescence.
Leaves: Grayish-green; alternate; sessile; linear to lanceolate; numerous, entire, evergreen.
Flower Color: Pink to deep rose; disk flowers only; flower heads in clusters at ends of stems, fruit is an achene.
Flowering Season: January to June or longer.
Elevation: Sea level to 3,000 feet.
Habitat Preferences: Moist saline desert areas, along stream banks, rivers, springs and seeps.
Recorded Range: Pluchea sericea is limited in distribution to the southwest United States in AZ, CA, NM, NV, TX, and UT. Also in northern Baja California and northern Mexico. It occurs throughout Arizona.
U.S. Weed Information: No data available.
Invasive/Noxious Weed Information: No data available.
Wetland Indicator: Pluchea sericea is listed on the USDA 2012 National Wetland Plant List.
Threatened/Endangered Information: No data available.
Comments: Arrowweed, which has a distinctive odor, grows in extremely dense thickets along streams and riparian areas. It has distinct camphor like odor.
Arrowweed has several documented ethnic botanical uses. The leaves were chewed or boiled for throat irritations and an infusion of the root bark was used as a wash for the face and sore eyes. See full species account from Native American Ethnobotany, University of Michigan, Dearborn.