cold-hardy

Opuntia sp nova aff camanchica

Joseph — Sun, 09 Apr 2017 14:30:31 +0000

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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Opuntia chisosensis, Chisos Pricklypear

Joseph — Sat, 29 Oct 2016 21:11:09 +0000

(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), […]

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Opuntia cespitosa, Common Eastern Pricklypear

Joseph — Sat, 17 Oct 2015 17:44:36 +0000

See O. humifusa See O. lata See O. mesacantha Rafinesque, Bulletin Botanique 2: 216, 1830 Neotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Original Description; Drawing (Britton and Rose v1, 1919) What is Opuntia cespitosa? Opuntia cespitosa is a widespread eastern North American prickly-pear forming low, cespitose clumps […]

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Opuntia zuniensis, Zuni Pricklypear

Joseph — Sun, 26 Feb 2012 03:54:33 +0000

Griffiths, Bulletin of the Torrey Botanical Club 43: 86, 1916 Holotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description. What is Opuntia zuniensis? Opuntia zuniensis is a handsome, prickly pear cactus found in Arizona, New Mexico, southern Utah, far western Texas, and perhaps southwestern Colorado. It has been confused with O. phaeacantha, O. tortispina, or […]

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Opuntia valida, Strong Pricklypear

Joseph — Fri, 24 Feb 2012 19:31:14 +0000

Griffiths, Proceedings of the Biological Society of Washington 27: 24, 1914 Holotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium (aff O. valida); Herbarium (aff O. valida); Herbarium (aff O. valida); Herbarium (aff O. valida) Original Description What is Opuntia valida? Opuntia valida is a handsome prickly pear cactus found in New Mexico, West Texas, and perhaps Arizona. […]

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Opuntia sp nova aff macrorhiza

Joseph — Mon, 20 Feb 2012 22:09:08 +0000

Introduction This undescribed prickly pear cactus occurs in northern New Mexico and perhaps into Colorado. It has similarities with Opuntia macrorhiza. However, the flowers have no red in them and the stigma is bright green. More studies are needed.

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Opuntia trichophora, Woolly Cactus

Joseph — Sat, 11 Feb 2012 21:40:13 +0000

(Engelmann & J. M. Bigelow) Britton & Rose, Smithsonian Miscellaneous Collections 50: 535, 1908 Lectotype (O. missouriensis trichophora); Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Drawing (The Botany of the Expedition, 1856, plate XV No. 1-4 [O. missouriensis trichophora]) Opuntia trichophora is possibly related to O. arenaria O. trichophora is related to O. diploursina O. trichophora is related to O. polyacantha Original Citation What is […]

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Opuntia pyrocarpa, Fiery-fruit Pricklypear

Joseph — Tue, 31 Jan 2012 06:01:54 +0000

Griffiths, Bulletin of the Torrey Botanical Club 43(2): 90, 1916 Isotype; Herbarium; Herbarium; Herbarium; Herbarium (O. griffithsiana); Herbarium (O. griffithsiana); Herbarium (O. reflexa); Herbarium (O. convexa); Painting; Painting (O. convexa) Original Description What is Opuntia pyrocarpa? Opuntia pyrocarpa is a commonly encountered prickly pear cactus in south-central to north-central Texas, where it often grows in […]

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Opuntia polyacantha, Common Pricklypear

Joseph — Tue, 31 Jan 2012 03:39:22 +0000

Haworth, Supplementum Plantarum Succulentarum 82, 1819 Original Description What is Opuntia polyacantha? Opuntia polyacantha is a variable prickly pear cactus ranging from Mexico near California, to Texas, to the Rocky Mountain states, the Great Plains, and north into Alberta and Saskatchewan. In 2018, a disjunct population was discovered in the Thousand Islands region of Ontario, Canada. This […]

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Opuntia pinkavae, Houserock Pricklypear

Joseph — Tue, 31 Jan 2012 03:37:32 +0000

Parfitt, Rhodora 99(899): 223, 1997 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description What is Opuntia pinkavae? Opuntia pinkavae is a small prickly pear cactus. Long before the publication of the name, pinkavae, this Opuntia was distributed under the name O. kaibabensis. However, that name was never officially published. It is a […]

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