Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

Carphochaete bigelovii, Bigelow's Bristlehead

Carphochaete bigelovii, Bigelow's Bristlehead, Southwest Desert Flora
Carphochaete bigelovii, Bigelow's Bristlehead, Southwest Desert Flora    Carphochaete bigelovii, Bigelow's Bristlehead, Southwest Desert Flora

Carphochaete bigelovii, Bigelow's Bristlehead, Southwest Desert Flora    Carphochaete bigelovii, Bigelow's Bristlehead, Southwest Desert Flora


Scientific Name: Carphochaete bigelovii
Common Name: Bigelow's Bristlehead
Also Called: Bigelow Bush
Family: Asteraceae, Sunflower Family
Synonyms: ( )
Status: Native
Duration: Perennial
Size: 4 feet or more.
Growth Form: Forb/herb, subshrub; bases woody, stems reddish, pubescent.
Leaves: Green; dull, simple, opposite or fascicled, linear or narrow elliptical; margins entire.
Flower Color: White, purplish throats; discoid flowers only, 3 to 4 per head, corollas with 5 pointed lobes, stamens exserted, numerous fine bristle surround petal lobes; flowers terminal or in leaf axils, singular or paired, all with stiff bristles; fruit is an achene.
Flowering Season: March to July, may bloom again in late winter.
Elevation: 4,000 to 7,000 feet.
Habitat Preferences: Upland Sonoran desert habitats, chaparral and pinyon-juniper in rocky areas, rocky hillsides, canyons.

North America & US County Distribution Map for Carphochaete bigelovii.

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.

Recorded Range: Limited distribution in the United States. Found only in AZ, NM and TX; Southwest NM and southwest TX. Found also in northern and central Mexico. In the U.S. it is most prevalent in Arizona where it occurs in the central, eastern and southern parts of the state.
Genus Information: 1 species in Carphochaete.

Comments: Bigelow’s Bristlehead is a monotypic species in the United States, unique to the southwest and Mexico. Its common name is for the characteristics fine bristles surrounding the corolla petal lobes, and in honor of Jacob Bigelow (1787–1879) an American doctor and botanist.

Date Profile Completed: 8/4/2012; Updated, 07/25/2015
References:
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database
Integrated Taxonomic Information System, ITIS, DATED, http://www.itis.gov/
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles
David J. Keil, FNA | Family List | FNA Vol. 21 | Asteraceae | Carphochaete, FNA Vol. 21 Page 486, 487, Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. (accessed 08/04/2012).
The Jepson Manual, Citation: http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html 08/04/2012
SEINet for synonyms, scientific names and recorded geographic locations, http://swbiodiversity.org/seinet/