''Pluchea sericea'', commonly called arrowweed or ''cachanilla'' (Mexico), is a rhizomatous

evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

of riparian areas in the lower

Sonoran Desert The Sonoran Desert ( es, Desierto de Sonora) is a desert in North America and ecoregion that covers the northwestern Mexican states of Sonora, Baja California, and Baja California Sur, as well as part of the southwestern United States (in Arizona ...

and surrounding areas. It is common in the lower

Colorado River The Colorado River ( es, Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and northern Mexico. The river drains an expansive, arid drainage basin, watershed that encompasses parts of ...

valley of

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

and

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

, as far east as

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

, and in northern

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

where it often forms dense impenetrable thickets. It is a perennial shrub and grows along watercourses.

Uses

It was once used medicinally by Native Americans as an antidiarrheal and

eyewash Eyewash is a fluid, commonly salineus, used to physically wash the eyes in the case that they may be contaminated by foreign materials or substances. Eyewashes may be beneficial to those with sensitive eyes and can provide relief to the painful ...

. Other traditional uses include

thatching Thatching is the craft of building a roof with dry vegetation such as straw, water reed, sedge (''Cladium mariscus''), rushes, heather, or palm branches, layering the vegetation so as to shed water away from the inner roof. Since the bulk of ...

arrow An arrow is a fin-stabilized projectile launched by a bow. A typical arrow usually consists of a long, stiff, straight shaft with a weighty (and usually sharp and pointed) arrowhead attached to the front end, multiple fin-like stabilizers c ...

making and food, especially the edible

root In vascular plants, the roots are the organs of a plant that are modified to provide anchorage for the plant and take in water and nutrients into the plant body, which allows plants to grow taller and faster. They are most often below the sur ...

. In other uses, the gum resin that exudes from the plant was used by the

Papago Indians Papago may refer to: * An archaic term for Tohono Oʼodham people * An archaic term for the language spoken by the Tohono Oʼodham people * ''Papago'' (moth), a genus of geometer moths * Papago Freeway, I-10 through Phoenix, Arizona * Papago Fre ...

to make a mending glue on broken pottery.

References

External links

Calflora: ''Pluchea sericea'' (Arrow weed, Arrowweed)Jepson eFlora (TJM2) treatmentUSDA Plants ProfileUC CalPhotos gallery
sericea Flora of Northwestern Mexico Flora of California Flora of the South-Central United States Flora of the Southwestern United States Flora of the Sonoran Deserts Flora of the California desert regions Natural history of the California chaparral and woodlands Natural history of the Mojave Desert Plants used in Native American cuisine Plants used in traditional Native American medicine Flora without expected TNC conservation status {{Inuleae-stub