Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Dicoria canescens, Desert Twinbugs

Dicoria canescens, Desert Twinbugs, Southwest Desert Flora Dicoria canescens, Desert Twinbugs, Southwest Desert Flora Dicoria canescens, Desert Twinbugs, Southwest Desert Flora     Dicoria canescens, Desert Twinbugs, Southwest Desert Flora Dicoria canescens, Desert Twinbugs, Southwest Desert Flora     Dicoria canescens, Desert Twinbugs, Southwest Desert Flora


Scientific Name: Dicoria canescens
Common Name: Desert Twinbugs
Also Called: Bugseed
Family: Asteraceae, Sunflower Family
Synonyms: (Dicoria brandegeei, Dicoria paniculata, Dicoria wetherillii, Dicoria clarkiae, Dicoria oblongifolia)
Status: Native
Duration: Annual with a taproot.
Size: Up to 3 feet.
Growth Form: Forb/herb; erect, one main stem with multiple branching, sunlight deflecting gray or white pubescence all over.
Leaves: Gray-green with white hairs; opposite, lower leaves mostly longer, lanceolate, others smaller and more ovate.
Flower Color: Greenish to dull purple; inflorescence is open panicle, clusters of numerous flower heads.
Flowering Season: June to November but may flower year round.
Elevation: Up to 4,500 feet.

Habitat Preferences: Sandy areas, desert washes and alkaline soils

Recorded Range: In the United States in AZ, CA, CO, NM, NV and UT. In Baja California and northwest Mexico. In Arizona, central, southwest and northern parts of the state.

North America & US County Distribution Map for Dicoria canescens.

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

Genus Information: 1 species in Dicoria, 5 varieties of Dicoria canescens. 2 varieties in Arizona: Dicoria canescens ssp. brandegeei, Desert Twinbugs and Dicoria canescens ssp. canescens, Desert Twinbugs.

Comments: Dicoria canescens, is descriptively named as the epithet “canescens” is Latin for turning white or gray while a botanical definition means covered with short white or gray hairs; hoary. Desert Twinbugs is highly variable across its southwest deserts range. Based on its geographic range it is mostly a Mojave Desert species.

Date Profile Completed: 7/30/2012; Updated, 07/25/2015, updated format 10/10/2017
References:
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database Integrated Taxonomic Information System, ITIS, Mon Jul 30 2012 07:32:20 MDT, http://www.itis.gov/
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles
The Jepson Manual, Citation: http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html Sun Jun 3 17:55:54 2012
John L. Strother, FNA | Family List | FNA Vol. 21 | Asteraceae | Dicoria, Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. (accessed 07/30/2012)
SEINet for synonyms, scientific names and recorded geographic locations, http://swbiodiversity.org/seinet/