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 mojavensis

Engelmann & Bigelow, Proceedings of the American Academy of Arts and Sciences 3: 293, 1856 Lectotype; Drawing (The Botany of the Expedition, 1856) What is Opuntia mojavensis? Opuntia mojavensis is an enigmatic prickly pear cactus. The only  historical drawing of this cactus shows 2 spine clusters and an immature or sterile fruit. The herbarium sheet … Read moreOpuntia mojavensis

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 macrocentra

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; (O. macrocentra minor) What is Opuntia macrocentra? Opuntia macrocentra is a much-grown and much-enjoyed prickly pear cactus found in western gardens. It is related to O. azurea.  Details From Powell and Weedin: … Read moreOpuntia macrocentra

Opuntia gilvescens

Griffiths, Annual Report of the Missouri Botanical Garden 20: 87, 1909 Holotype; Herbarium (submitted as O. phaeacantha var major); Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; O. gilvescens is related to O. camanchica O. gilvescens is related to O. phaeacantha What is Opuntia gilvescens? Opuntia gilvescens is a widespread, medium-sized cactus. It … Read moreOpuntia gilvescens

Opuntia charlestonensis

Clokey, Madrono 7(3): 71, 1943 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium What is Opuntia charlestonensis? Opuntia charlestonensis is a prickly pear cactus that occurs from about 6,000 to 8,000 ft on Mt Charleston, NV. It is proposed to be a hybrid cactus derived from two species, O. phaeacantha and O. polyacantha erinacea. Details O. charlestonensis is sympatric with the two … Read moreOpuntia charlestonensis

Opuntia basilaris

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 heilii) What … Read moreOpuntia basilaris

Opuntia azurea

Rose, Contributions from the U.S. National Herbarium 12(7): 291, 1909 Holotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium (O. azurea parva); Herbarium (O. azurea diplopurpurea); Herbarium (Opuntia azurea discolor); Holotype (O. azurea diplopurpurea); Painting (unpublished) See O. chisosensis See O. macrocentra What is Opuntia azurea? Opuntia azurea is an attractive prickly pear cactus from the Big Bend Region of Texas that is related … Read moreOpuntia azurea

Opuntia aurea

Baxter, Cactus and Succulent Journal (U.S.) 5(6): 489, 1933 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium What is Opuntia aurea? Opuntia aurea is a prickly pear cactus that grows in southern UT and northern AZ. It is prostrate and forms irregularly sprawling plants to about 1 m across. A single pad may … Read moreOpuntia aurea