Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Opuntia macrorhiza, Twistspine Pricklypear

Opuntia macrorhiza, Twistspine Pricklypear, Southwest Desert Flora Opuntia macrorhiza, Twistspine Pricklypear, Southwest Desert Flora Opuntia macrorhiza, Twistspine Pricklypear, Southwest Desert Flora Opuntia macrorhiza, Twistspine Pricklypear, Southwest Desert Flora

Scientific Name: Opuntia macrorhiza
Common Name: Twistspine Pricklypear
Also Called: Grassland Pricklypear, Plains Twistspine Pricklypear, Prickly Pear; (Spanish: Nopal)
Family: Cactaceae, Cactus Family
Synonyms: ()
Status: Native
Duration: Perennial
Size:
Growth Form: Shrub;
Leaves: Leaves modified into spines or glochids and emerging from areoles.
Flower Color: Yellow with red;
Flowering Season:
Elevation:
Habitat Preferences:
Recorded Range: In the United States Opuntia macrorhiza is common throughout all of the central portion in: AR, AZ, CO, IA, ID, IL, KS, LA, MN, MO, MT, NE, NM, OH, OK, SD, TX, UT, WI and WY. In Arizona it occurs throughout much of the state.

U.S. Weed Information:
Invasive/Noxious Weed Information:
Wetland Indicator:
Threatened/Endangered Information: In Iowa, Bigroot Pricklypear is Endangered.

Genus Information: Genus Information: About 50 species in Opuntia in the United States and Canada. 17 species in Arizona.
2 varieties in Opuntia macrorhiza:
Opuntia macrorhiza var. macrorhiza Twistspine Pricklypear (range above) and
Opuntia macrorhiza var. pottsii, Twistspine Pricklypear (AZ, NM and TX)

Comments:

References: Posted 06/05/2015, rev. 07/21/2015, updated, 09/14/2015
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and
SEINet for synonyms, scientific names and recorded geographic locations, http://swbiodiversity.org/seinet/.
USDA – Threatened and Endangered Information:
Iowa, bigroot pricklypea, Endangered