All Pricklypears
Small ex Britton & Rose, Cactaceae (Britton & Rose) 4: 262 (1923) Lectotype; Herbarium; Herbarium Original Description What is Opuntia ochrocentra? Opuntia ochrocentra is a small- to medium-sized prickly pear cactus from the Florida Keys. It is very rare. Its entire world distribution is limited to just two known occurrences in the lower Florida Keys in cactus barrens and the ecotone […]
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Griffiths, Annual Report of the Missouri Botanical Garden 21: 169, 1910 Herbarium; Drawing (Britton and Rose, v1 1919, fig 174); Painting; Painting Original Citation What is Opuntia lubrica? Opuntia lubrica is a prickly pear cactus with some similarity to O. rufida. However, O. lubrica has shiny pads that are not pubescent as in the other cactus. Details Plants often have the
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Griffiths, Proceedings of the Biological Society of Washington 29(3): 13–14, 1916 Isotype; Herbarium; Herbarium; Herbarium. Original Description What is Opuntia caesia? Opuntia caesia is a large, blue-green, strongly glaucous prickly-pear, typically bigger and woodier in aspect than O. phaeacantha. Colonies often span 2–3 m across and stand about 50–80 cm tall, with long, spreading basal axes and
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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 extend much beyond the Albuquerque area,
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(Anthony) Ferguson, Cactus and Succulent Journal (U.S.) 58(3): 124, 1986 Holotype; Isotype; Herbarium; Herbarium; Herbarium Original Description What is Opuntia chisosensis? Opuntia chisosensis is a high-elevation prickly-pear native to the Big Bend region of Texas and adjacent northern Coahuila, Mexico. It grows mostly in open woodland—oak, juniper, and pinyon—typically above about 5,500 ft (≈1,650 m),
Opuntia chisosensis, Chisos Pricklypear Read More »
Griffiths, Proceedings of the Biological Society of Washington 27(6): 26, 1914 Herbarium (submitted as O. engelmannii); Herbarium (O. riparia-like) Original Description What is Opuntia riparia? Opuntia riparia is a prickly pear cactus that grows in low, wide thickets in southern Arizona. It rarely reaches waist-high, but occasional cactus stems may reach to 3-4 ft tall.
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Opuntia covillei, close view of spines. Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Photograph (Britton and Rose, 1919); Painting; Drawing (JJ Thornber; The Fantastic Clan of the Cactus Family) Original Description What is Opuntia covillei? Opuntia covillei is a medium-sized prickly-pear of inland southern California, forming angular, spreading shrubs and frequent thickets. Plants commonly reach
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Biology is Important Reproduction, DNA biology, and ecology are powerful drivers of Opuntia biology. Knowledge of these topics will help us understand Opuntias. The genetics, biology, and speciation of Opuntia are poorly understood. In fact, Opuntias remain a poorly studied group overall except for O. ficus-indica. This latter species is much studied. However, most of
Rafinesque, Bulletin Botanique 1: 216, 1830 (Also see Opuntia mesacantha Raf ssp mesacantha Majure, Phytotaxa 290, 1: 1–65) See O. cespitosa See O. humifusa See O. lata Neotype; Herbarium; Herbarium; Herbarium; Hebarium (as O. humifusa); Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description What is Opuntia mesacantha? Opuntia mesacantha is a southeastern prickly pear found in
Opuntia mesacantha, Southeastern Low Pricklypear Read More »
