Opuntias known for their blue or blue-green color in gardens.
Griffiths, Proceedings of the Biological Society of Washington 29(3): 13–14, 1916 Isotype; Herbarium; Herbarium; Herbarium. Original Citation What is Opuntia caesia? Opuntia caesia is a pricklypear cactus that is larger than O. phaeacantha. It may reach 2-3 m across and be about 60-80 cm tall with erect branches that rise from spreading, sprawling branches. Details The […]
Opuntia caesia, Bluish Pricklypear Read More »
Griffiths, Annual Report of the Missouri Botanical Garden 22: 34, 1911 Herbarium; Herbarium; Herbarium; Herbarium; Photograph (top photo); Photograph; Painting Original Description What is Opuntia tardospina? Opuntia tardospina is a large pricklypear cactus first reported from the Lampasas, Texas region. Griffiths reported that this Opuntia was an unusual cactus for several reasons, not the least
Opuntia tardospina, Late-spine Pricklypear Read More »
(Weber) Ferguson, Cactus and Succulent Journal (U.S.) 60: 159, 1988 Isotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description What is Opuntia chlorotica gosseliniana? O. chlorotica gosseliniana is one of three varieties along with vars chlorotica and santa-rita within the O. chlorotica complex as described by Ferguson (1988). The three types blend into
Opuntia chlorotica gosseliniana, Sonoran Purple Pricklypear Read More »
Griffiths & Hare, New Mexico Agricultural Experiment Station Bulletin 60: 64, 1906 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description What is Opuntia chlorotica santa-rita? Opuntia chlorotica santa-rita is one of three varieties of the pricklypear cactus in the Opuntia chlorotica complex. The varieties are santa-rita, gosseliniana, and chlorotica (Ferguson 1988), and
Opuntia chlorotica santa-rita, Santa-Rita Purple Pricklypear Read More »
Introduction Different observers have recorded this unidentified Opuntia growing in southern New Mexico near Las Cruces, near El Paso, Texas, and in adjacent Mexico. This cactus may grow alongside O. macrocentra and is similar to O. macrocentra. But, this unidentified taxon is more upright, has a different bloom period, and is a taller pricklypear. These
Opuntia sp nova aff macrocentra Read More »
Engelmann, Proceedings of the American Academy of Arts and Sciences 3: 292, 1856 [1857] Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium (as O. violaceae macrocentra); Herbarium (as O. violaceae macrocentra); Herbarium (O. macrocentra minor); Herbarium (O. macrocentra minor); Herbarium (O. macrocentra minor) Original Description What is Opuntia macrocentra? Opuntia macrocentra
Opuntia macrocentra, Black-spine Pricklypear Read More »
Griffiths, Proceedings of the Biological Society of Washington 27(6): 28, 1914 Holotype; Isotype; Isotype; Isotype; Isotype; Isotype; Herbarium; Herbarium See O. dulcis Original Description What is Opuntia confusa? Opuntia confusa is an interesting pricklypear because some cladodes have spination similar to that of O. engelmannii, whereas other cladodes have spination similar to that of O. dulcis.
Opuntia confusa, Confusing Pricklypear Read More »
Griffiths & Hare, New Mexico Agricultural Experiment Station Bulletin (New Mexico College of Agriculture and Mechanic Arts) 60: 47, 1906 Isotype; Neotype; Holotype (O. cacanapa ‘Ellisiana’); Isotype (O. cacanapa ‘Ellisiana’); Herbarium (O. cacanapa ‘Ellisiana’) O. alta is another large Opuntia Original Description What is Opuntia cacanapa? Opuntia cacanapa is a large pricklypear cactus that occurs in Brewster County, TX
Opuntia cacanapa (incl ‘Ellisiana’), Cacanapa/Ellisiana Pricklypear Read More »
Engelmann & Bigelow, Proceedings of the American Academy of Arts and Sciences 3: 298, 1856 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Holotype (O. basilaris brachyclada); Herbarium (O. basilaris brachyclada); Herbarium (O. basilaris brachyclada); Herbarium (O. basilaris brachyclada); Herbarium (O. basilaris longiareolata); Herbarium (O. basilaris longiareolata) Herbarium (O. basilaris longiareolata); Herbarium (O. basilaris longiareolata); Isolectotype (O. basilaris ramosa); Herbarium (O. basilaris ramosa); Herbarium (O.
Opuntia basilaris, Beavertail Cactus Read More »
Rose, Contributions from the U.S. National Herbarium 12(7): 291, 1909 Holotype; Isotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium (O. azurea diplopurpurea); Holotype; (O. azurea diplopurpurea); Holotype (O. azurea discolor); Herbarium (O. azurea discolor); Herbarium (O. azurea parva); Herbarium (O. azurea parva); Herbarium (O. azurea parva); Herbarium (O. azurea parva); Painting (possible O. azurea) See O. chisosensis See O. macrocentra Original Description What
Opuntia azurea, Purple Pricklypear Read More »
