Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Amsinckia menziesii var. intermedia, Common Fiddleneck

Amsinckia menziesii var. intermedia, Common Fiddleneck, Southwest Desert Flora Amsinckia menziesii var. intermedia, Common Fiddleneck, Southwest Desert Flora Amsinckia menziesii var. intermedia, Common Fiddleneck, Southwest Desert Flora Amsinckia menziesii var. intermedia, Common Fiddleneck, Southwest Desert Flora


Scientific Name: Amsinckia menziesii var. intermedia
Common Name: Common Fiddleneck
Also Called: Devil's Lettuce, Fiddleneck; (Spanish: Cedkam)
Family: Boraginaceae, Forget-Me-Not Family
Synonyms: (Amsinckia arizonica, Amsinckia demissa, Amsinckia echinata, Amsinckia intactilis, Amsinckia intermedia, Amsinckia intermedia var. echinata, Amsinckia microphylla, Amsinckia nana, Amsinckia rigida)
Status: Native
Duration: Annual
Size: Up to 2.5 feet or more (3.5’).
Growth Form: Forb/herb; stems mostly erect, single or multiple stems, bristly hairs with bulbiliferous bases (see leaf photo above).
Leaves: Green, basal and along stem, alternate, either sessile or with short petioles, linear to lanceolate.
Flower Color: Yellow or yellow-orange; 5 calyx lobes fused, often with red or reddish-orange spots on corolla throat, flowers along a coiled spike (Fiddleneck), terminal flowers developing first, fruit is a nutlet.
Flowering Season: March to May.
Elevation: Up to 5,500 feet.
Habitat Preferences: Dry open places, disturbed areas, sandy or gravelly soil.
Recorded Range: Amsinckia menziesii var. intermedia is wide ranging throughout the western half of North America with populations in ID and MO and through the eastern third of the United States; AK, AZ, CA, CT, HI, ID, IL, MA, ME, MO, MT, ND, NE, NH, NV, NY, OR, PA, TX, UT, WA, WY, Baja California and northern Mexico. Introduced in AK and HI.

North America & US County Distribution Map for Amsinckia menziesii var. intermedia.

U.S. Weed Information: Amsinckia menziesii var. intermedia is listed in: Weeds of the United States and Canada, and Weeds of the West. Plants included here may become weedy or invasive.
Invasive/Noxious Weed Information: No data available.
Wetland Indicator: No data available.
Threatened/Endangered Information: No data available.

Genus Information: 10 species in Amsinckia in the United States, Baja California and northern Mexico. 2 species in Arizona.

Comments: Common Fiddleneck is highly variable across its wide geographic range.

Date Profile Completed: 1/1/2015, 07/20/2015, updated 10/30/2016
References:
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database – ITIS search
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California, as Amsinckia intermedia.
Native Plant Information Network, NPIN (2013). Published on the Internet http://www.wildflower.org/plants/ [accessed: 1/1/2015]. Lady Bird Johnson Wildflower Center at The University of Texas, Austin, TX.
http://www.wildflower.org/plants/result.php?id_plant=AMMEI2
1993, The Jepson Manual, Citation: ttp://ucjeps.berkeley.edu/interchange/I_treat_indexes.html (accessed 1/1/2015)
SEINet for synonyms, scientific names and recorded geographic locations, http://swbiodiversity.org/seinet/.