Dicoria canescens, Desert Twinbugs
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)
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
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.