Opuntia chisosensis

(Anthony) Ferguson, Cactus and Succulent Journal (U.S.) 58(3): 124, 1986 Herbarium; Herbarium; Herbarium What is Opuntia chisosensis? Opuntia chisosensis is a prickly pear cactus that grows in the Big Bend region of Texas and adjacent Mexico where it occurs at higher elevations in wooded areas.   Details O. chisosensis is a medium-sized (to 1 m tall) prickly … Read moreOpuntia chisosensis

Opuntia fusco-atra

Engelman. Proceedings of the American Academy of Arts and Sciences 3: 297, 1856 See the original description.  

Opuntia xanthoglochia

Griffiths, Annual Report of the Missouri Botanical Garden 21: 166, 1910 Opuntia xanthoglochia is a cactus found in central TX, east of Austin although it may range into other areas. These prickly pears resemble O. macrorhiza and the cactus has been conflated with that species. The plant is prostrate to 8- to 12-inches tall. Large plants … Read moreOpuntia xanthoglochia

Opuntia tardospina

Griffiths, Annual Report of the Missouri Botanical Garden 22: 34, 1911 Photograph (top photo, Britton and Rose, 1919, v1); Photograph (Britton and Rose, 1919, v1) Details Opuntia tardospina is a large prickly pear cactus first reported from the Lampasas, TX region. Griffiths reported that this Opuntia was an unusual cactus for several reasons. The glochids are numerous and … Read moreOpuntia tardospina

Opuntia nemoralis

Griffiths, Monatsschrift fur Kakteenkunde 23: 133, 1913 Herbarium NOTE: the herbarium specimen is notable because it contains two different plant species. Only the lower cladodes (smaller) conform to the description of O. nemoralis. The upper cladodes (larger) are another Opuntia species. by Joe Shaw and Barry Snow What is Opuntia nemoralis? Opuntia nemoralis is a southern Midwest prickly pear … Read moreOpuntia nemoralis

Opuntia gomei

Griffiths, Annual Report of the Missouri Botanical Garden 21: 167, 1910 Holotype; Holotype (submitted as O. laxiflora); Isotype; Isotype (submitted as O. laxiflora); Herbarium (submitted as O. lindheimeri) What is Opuntia gomei? Opuntia gomei is a common prickly pear near the Rio Grande River delta, but it may occur inland somewhat on the South Texas Plains. Details … Read moreOpuntia gomei

Opuntia strigil

Engelmann, Proceedings of the American Academy of Arts and Sciences 3: 290, 1856 Herbarium; Herbarium; Herbarium; Herbarium Details Opuntia strigil is a prickly pear cactus in west TX, mostly west of the Pecos River and apparently not entering NM. The Opuntia grows on limestone hills from 2500 to 4500 ft, but also on creosote flats … Read moreOpuntia strigil

Opuntia spinosibacca

Anthony, American Midland Naturalist 55: 246. 1956 Herbarium; Herbarium; Herbarium; Herbarium Details Opuntia spinosibacca is prickly pear cactus found only in the Big Bend region of Texas and in adjacent Mexico. It is often found on hot limestone substrates. It is a large cactus, to 4-ft tall and 5-ft wide, some times with a very … Read moreOpuntia spinosibacca

Opuntia sanguinicola

Griffiths, Proceedings of the Biological Society of Washington 27: 26, 1914 Isotype; Herbarium Details Opuntia sanguinicola is a prickly pear cactus that resembles a gracile form of O. gilvescens. However, O. sanguinicola is a distinct prickly pear that prefers deep soils (limestone-derived) as opposed to the rocky soils preferred by O. gilvescens. O. sanguinicola is … Read moreOpuntia sanguinicola

Opuntia rufida

Engelmann, Proceedings of the American Academy of Arts and Sciences 3: 298, 1856 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Details Opuntia rufida is a prickly pear cactus that occurs in the Big Bend area of Texas and south into the greater Chihuahuan Desert of Mexico. The much-branched cactus may reach 1 to 1.5 … Read moreOpuntia rufida