Opuntia lubrica

Griffiths, Annual Report of the Missouri Botanical Garden 21: 169, 1910 Drawing (Britton and Rose, v1 1919, fig 174) 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 nearly circular or … Read moreOpuntia lubrica

Opuntia riparia

Griffiths, Proceedings of the Biological Society of Washington 27(6): 26, 1914 Herbarium (submitted as O.  engelmannii); Herbarium (O. riparia-like) 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 1.2 m tall. Pads are often elongate, averaging about 20 … Read moreOpuntia riparia

Opuntia arizonica

Griffiths, Annual Report of the Missouri Botanical Garden 20: 93, 1909 Holotype; Drawing (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 seldom-reported species of prickly pear cactus. … Read moreOpuntia arizonica

Opuntia canada

Griffiths, Annual report Missouri Botanical Garden 20: 90, 1909 Holotype; Painting (not published) 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, but taller … Read moreOpuntia canada

Opuntia laevis

Coulter, Contributions from the U. S. National Herbarium 3: 419, 1896 Holotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Drawing (Britton and Rose, v1 1919, plate XXVIII, No. 1, back right) What is Opuntia laevis? Opuntia laevis is a sometimes spineless prickly pear cactus that grows in various locations in southern AZ but particularly on canyon … Read moreOpuntia laevis

Opuntia toumeyi

Rose, Contributions from the U. S. National Herbarium 12: 402, 1909 Holotype Details Opuntia toumeyi is a low but not prostrate, bushy prickly pear cactus with pads narrowed towards the base. The cactus may appear yellowish-green and has brownish-white or white spines. Clumps of the prickly pear may seem yellowish compared to other Opuntia species. Glochids are … Read moreOpuntia toumeyi

Opuntia blakeana

Rose, Contributions from the U.S. National Herbarium 12: 402, 1909 Holotype; Isotype; Herbarium; Herbarium What is Opuntia blakeana? Opuntia blakeana is a small, low, spreading, Sonoran Desert prickly pear cactus. Details The cladodes of O. blakeana are typically dark green but may have brown or purple coloration around the areoles. Plants rarely reach 60 cm … Read moreOpuntia blakeana

Opuntia chlorotica gosseliniana

(Weber) Ferguson, Cactus and Succulent Journal (U.S.) 60: 159, 1988 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium What is Opuntia chlorotica gosseliniana? O. chlorotica gosseliniana is one of three varieties: chlorotica, santa-rita, and gosseliniana within the O. chlorotica complex as described by Ferguson (1988).  Details These prickly pear cacti may reach 1 m … Read moreOpuntia chlorotica gosseliniana

Opuntia chlorotica santa-rita

Griffiths & Hare, New Mexico Agricultural Experiment Station Bulletin 60: 64, 1906 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium What is Opuntia chlorotica santa-rita Opuntia chlorotica santa-rita is one of three varieties of Opuntia chlorotica. The varieties are santa-rita, gosseliniana, and chlorotica (Ferguson 1988).  Details O. chlorotica santa-rita is an upright, open-branching OpuntiaRead moreOpuntia chlorotica santa-rita

Opuntia martiniana

(L.D. Benson) B.D. Parfitt, Systematic Botany 5(4): 416, 1980 [1981] Herbarium; Herbarium; Herbarium; Herbarium; Herbarium It is proposed that O. martiniana is related to O. chlorotica chlorotica What is Opuntia martiniana? Opuntia martiniana is a prickly pear cactus found sporadically on gravelly or rocky soils between 1200-1650 m ft in the Hualapai Mts near Kingman, Arizona. … Read moreOpuntia martiniana