Western Opuntias

These are opuntias found primarily from New Mexico to California. They are a variable group, and many from high altitudes are exceptionally cold hardy. Some tolerate too much rain and humidity, whereas others (e.g., from the Mojave Desert) can be sensitive.

Opuntia lubrica

Griffiths, Annual Report of the Missouri Botanical Garden 21: 169, 1910 Herbarium; Drawing (Britton and Rose, v1 1919, fig 174); Painting; Painting What is Opuntia lubrica? Opuntia lubrica is a prickly pear cactus that has some similarity to O. rufida. However, O. lubrica has shiny pads that are not pubescent as in the other cactus. Details Cladodes of the current year may be …

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Opuntia caesia

Griffiths, Proceedings of the Biological Society of Washington 29(3): 13–14, 1916 Isotype; Herbarium; Herbarium; Herbarium What is Opuntia caesia? Opuntia caesia is a prickly pear cactus that is larger than O. phaeacantha. It may reach 2 m across and be about 60-70 cm tall with erect branches that rise from spreading, sprawling branches. Details Cladodes on …

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Opuntia sp nova aff camanchica

Introduction Opuntia sp nova aff camanchica is an undescribed prickly pear cactus that occurs in the area of greater Albuquerque, New Mexico, including adjacent portions of Cibola National Forest. It may be found from 1650 m to 2000 m, but its altitudinal range may be greater. Similarly it may range much beyond the Albuquerque area. The …

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Opuntia riparia

Griffiths, Proceedings of the Biological Society of Washington 27(6): 26, 1914 Herbarium (submitted as O.  engelmannii); Herbarium (O. riparia-like) What is Opuntia riparia? Opuntia riparia is a prickly pear cactus that grows in low, wide thickets in southern AZ. It rarely reaches waist high, but occasional cactus stems may reach to 1 to 1.2 m …

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Opuntia covillei

Britton and Rose, Smithsonian Miscellaneous Collections 50: 532, 1908 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Photograph (Britton and Rose, 1919); Painting; Drawing (JJ Thornber; The Fantastic Clan of the Cactus Family) What is O. covillei? Opuntia covillei is a medium-sized, California prickly pear cactus that grows in angular shapes to 1 m across. …

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Opuntia diploursina

Stock, Hussey, and Beckstrom, Cactus and Succulent Journal (U.S.) 86(2): 35, 2014 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Similar to Opuntia trichophora What is Opuntia diploursina? Opuntia diploursina was described from near Meadview, AZ. It has similarities with O. polyacantha erinacea and O. trichophora.  Details O. diploursina grows to about 45 cm tall with upright branches of 1-4(6) …

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Opuntia arizonica

Griffiths, Annual Report of the Missouri Botanical Garden 20: 93, 1909 Holotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Painting (watercolor over photograph, Krieger and Griffith, 1915, Smithsonian Institution Archive); Photograph (D Griffiths, ca. 1910); Photograph (D Griffiths, ca. 1910); Photograph (Annual Report of the Missouri Botanical Garden, 20: 1909) What is Opuntia arizonica? Opuntia arizonica is a …

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Opuntia discata

Griffiths, Annual Report of the Missouri Botanical Garden 19: 266, 1908 Isotype; Isotype; Herbarium; Herbarium O. discata has some similarities with O. engelmannii What is Opuntia discata? Opuntia discata is a handsome, large prickly pear cactus. It is ascending and compact to 1-1.4 m tall and perhaps as wide. The white spines provide beauty and …

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Opuntia columbiana

Griffiths, Bulletin of the Torrey Botanical Club 43: 523, 1916 Lectotype; Lectotype; Herbarium; Herbarium; Herbarium; Herbarium What is Opuntia columbiana? Opuntia columbiana is a prickly pear cactus that occurs in northeast Oregon and southeast Washington. Opuntia columbiana is referred to as O. × columbiana by some botanists (Anderson, 2001) who maintain that this Opuntia is a …

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Opuntia canada

Griffiths, Annual report Missouri Botanical Garden 20: 90, 1909 Holotype; Topotype; Herbarium (as O. engelmannii); Painting What is Opuntia canada? Opuntia canada is a large, erect, ascending cactus that grows in far southern AZ. It is a compact-appearing prickly pear.  Details O.  canada grows in thickets or singly. This Opuntia may reach 1 m in height, …

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