Trichostema arizonicum, Arizona Bluecurls
Scientific Name: Trichostema arizonicum
Common Name: Arizona Bluecurls
Also Called: Arizona Blue-curls
Family: Lamiaceae or Mint Family
Size: Up to 2 feet more or less.
Growth Form: Subshrub; semi- woody or suffrutescent.
Leaves: Green; opposite, oval to ovate, upper leaves reduced, bractlike.
Flower Color: Lavender or violet and white; dramatic curling flowers, lower lip lavender or purple, other petals white, 1 to 7 flowers, corolla 7 to 14 mm long, inflorescence a narrow panicle, stamens strongly arched (see photo above) 10 to 25mm long.
Flowering Season: July to October.
Elevation: 3,500 to 6,000 feet.
Habitat Preferences: Mid- to upper-elevations, rocky slopes, roadsides and open sandy areas.
Recorded Range: Arizona Bluecurls is relatively rare in the United States where it is native to Arizona, New Mexico and marginally in Texas. In Arizona it is found in the southern part of the state in Cochise, Graham, Pima and Santa Cruz Counties. In New Mexico in is found in the southwest part of the state in Grant and Hildago Counties and in the northwest corner in San Juan County. Trichostema arizonicum is also native to northern Mexico.
North America & Counties Distribution Map for Trichostema arizonicum.
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.
3 species in Arizona, 11 species in California and 2 species in New Mexico.
The Plant List includes 23 scientific plant names of species rank for the genus Trichostema. Of these *18 are accepted species names. *This data is currently under review by the The Plant List.
Comments: The type species for Trichostema arizonicum from the Chiricahua Mountains (Wright 1541), Arizona.